2010 Kia Optima 4-DR w/SAB

Car has very hard downshift at low speed going from 2nd gear to 1st. Seems to be alot of these complaints and would be nice to know of a fix for this problem!

The contact owns a 2010 Kia Optima. The contact stated while driving 1 mph, the vehicle started overheating then there was an abnormally loud sound coming from the engine. Upon investigation, it was found that the radiator had a hole on the right side. The vehicle was not taken to a local dealer and was not diagnosed. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 135,000.

ENGINE BLEW DOING 40-45 ON A COUNTY ROAD 1,000 RPM 5TH GEAR, IN AUTOMATIC. 2ND TO 1ST, SOFT TO HARD KICK. VEHICLE SPEED SENSOR MUST BE FAULTY I HAVE TO PUMP BRAKE MORE TO SLOW THE ENGINE SPEED IT LIKES TO BOG TRYING TO SPEED UP IN AUTOMATIC MODE

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHTS WERE ILLUMINATED. GERVAIS KIA (6 INDUSTRIAL AVE, LOWELL, MA 01851, (978)454-1202) WAS CONTACTED AND INFORMED OF THE FAILURE. THE CONTACT WAS INFORMED THAT THE SEAT OCCUPANT DETECTION SYSTEM NEEDED TO BE REPLACED AT A COST OF $5,000. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 100,000.

MY OPTIMA HAS 104,000 MILES. JUST LAST WEEK WHILE DRIVING ON WET ROADS, I LOST CONTROL AS THE POWER STEERING STOPPED WORKING. THE BATTERY LIGHT COMES ON DURING THIS PERIOD FOR BETWEEN 5-30 SECONDS AS YOU LOOSE ALMOST ALL CONTROL OF YOUR VEHICLE'S STEERING. JUST AS YOUR VEHICLE GAINS POWER STEERING AGAIN, A SCREECHING SOUNDS COMES FROM THE ENGINE COMPARTMENT (MAYBE BELTS RE-ENGAGING). IT HAS BEEN RAINING HER THE PAST WEEK AND THE ISSUE HAS HAPPENED ABOUT 8 TIMES. SOMETIMES DIRECTLY AFTER DRIVING THROUGH PUDDLES, AND SOMETIMES JUST WHILE DRIVING. THE ISSUE ONLY OCCURS THOUGH WHEN THE ROADS ARE WET. THIS IS A MAJOR SAFETY ISSUE.

VEHICLE HAS A TERRIBLE RATTLE COMING FROM THE REAR END WHILE DRIVING AND THE VEHICLE MOVES FROM SIDE TO SIDE. NOT SURE WHAT IT IS. BOUGHT IN 2016

AIRBAG LIGHT CAME ON AND SAYS I NEED TO REPLACE THE AIRBAGS IN THE PASSENGER SEAT. NOW AIRBAG SYSTEM IS DISENGAGED.

DRIVING CAR JUST SHUT OFF IN HEAVY TRAFFIC ON RD AVERAGE SPEED 40 NO WARNING LIGHTS CAME ON RESTARTED STALLED ALL THE WAY HOME AND HUGE KNOCKING SOUND

WHEN COMING TO A STOP MY CAR SHIFTS FROM 3RD TO 2ND HER VERY ABRUPTLY. IT MAKES IT FEEL AS THOUGH I'VE SLAMMED ON MY BRAKES VERY SUDDENLY. IT ALSO DOES IT WHEN I SLOW MY CAR THEN PRESS THE GAS TO ACCELERATE SOMETIMES. I'VE TAKEN MY CAR TO THE DEALERSHIP OVER 5 TIMES SINCE FIRST PURCHASED BY MY MOTHER IN 2010 AND THE DEALERSHIP ALWAYS CLAIMED TO BE UNABLE TO NOTICE THE SUDDEN JERKING. THIS JERKING HAPPENS MOSTLY ON THE STREET DUE TO MY CONTINUAL STOP AND GO, BUT IT HAS ALSO HAPPENED WHILE GETTING ON THE FREEWAY AND DURING FREEWAY TRAFFIC.

DRIVING HOME FROM WORK MAY7 ON I64 ST.CHARLES CO,MO.SMOKE COMING FROM UNDER HOOD AS I APPROACHED BRIDE OVER MISSOURI RIVER AND AS SOON AS I CROSSED BRIDGE IT WAS WORSE AND I CALLED HOME TO SAY MY CAR WAS ON FIRE AND I WAS GETTING OUT OF IT ,THEN I CALLED 911 AND POLICE AND FIRE DEPT FROM FROM COTTLEVILLE ARRIVER. THE CAR COMPLETELY BURNED ALL THE WAY TO THE TRUNK. T HERE WAS NO APPARENT CONDITION TO HAVE CAUSED IT TO BURN AS CAR WAS WELL MAINTAINED AND IN GOOD CONDITION

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT CALLED ON BEHALF OF THE DRIVER. WHILE DRIVING 35 MPH, THE DRIVER LOST CONTROL OF THE VEHICLE AS IT INADVERTENTLY ACCELERATED. AS A RESULT, THE DRIVER STRUCK ANOTHER VEHICLE. THE CONTACT STATED THAT THE DRIVER HAD TO TURN OFF THE VEHICLE IN ORDER FOR IT TO STOP. THE AIR BAGS DID NOT DEPLOY. THE DRIVER SUSTAINED HEAD AND LEFT LEG INJURIES THAT DID NOT REQUIRE MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS NOT TAKEN TO A DEALER FOR DIAGNOSTIC TESTING OR REPAIRS. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 24,000. *TT *TR

THE PASSAGE SEAT AIR BAG LIGHT IS ON STEADY CODE STORED B1448 OCS MAT IS DEFECTIVE CAR WAS PARKED IN YARD

TAKATA RECALL - HARD DOWNSHIFT FROM 2ND TO 1ST, USUALLY AROUND THE 20MPH MARK! IT'S A SUDDEN JERK AS IF IT HAS BEEN SLAMMED INTO A A LOWER GEAR

VEHICLE JERKS WHEN DOWNSHIFTING AT ABOUT 20 MPH.

TAKATA RECALL TRANSMISSION HAS A GRINDING AND WHINING NOISE!! BUT TRANSMISSION SHIFT GEAR SMOOTHLY. THESE NOISE WORSE AT COLD CONDITION AND TURN TO THE LEFT, AND PASSING OVER SPEEDBUMP. AS I HEARD IN THE SOUTH KOREA, THIS IS COMMON OFTEN REPORTED BY DRIVERS WHO DRIVE THIS VEHICLE. I AM TRYING TO FIGURE OUT WHAT IS GOING ON BUT ALL CAR MECHANIC COULD NOT FOUND IT. I AM VERY SCARY WHEN I DRIVING. I THINK IT COULD BE A SAFETY ISSUE IN THE FUTURE.

THE IGNITION WANT TURN ALL TO WAY OFF I HAVE TO TURN IT OFF AND ON 2 OR 3 TIMES BEFORE IT WILL TURN COMPLETELY OFF SO I CAN REMOTELY LOCK THE DOOR. THE DRIVER SIDE REAR DOOR ACTUATOR WORK WHEN IT GET READY I HAVE TO UNLOCK THE DRIVER SIDE DOOR WITH KEY AND MANUALLY LOCK AND UNLOCK THE DOOR.

AIR BAG LIGHTS WILL NOT GO OFF DEALER RESET BUT CAME BACK ON SOON AFTERWARDS. ANOTHER DEALER SAID IT WAS NOT COVERED UNDER WARRANTY AND PART WAS OVER $1000. MULTIPLE DEAD CAR BATTERIES DUE TO RUNNING LIGHTS NOT TURNING OFF AFTER YOU PARK THE CAR. PLEASE FOR THE LOVE OF EVERYTHING GOOD IN THIS WORLD JUST RECALL AND FIX ALREADY.

WHEN ACCELERATING OR SLOWING DOWN MY VEHICLE JERK EVEN WHEN I'M ON THE HIGHWAY AND HAVE THE CRUISE CONTROL SET IT WILL DO THE SAME THING. I WOULD LIKE TO KNOW WHAT I NEED TO DO OR IF THERE IS ANY KIND OF RECALL ON THIS BECAUSE I REALLY CAN'T AFFORD TO TAKE IT AND HAVE IT LOOKED AT. I HAVE SEEN MULTIPLE REPORTS OF THE SAME PROBLEM AND WITH ALL OF THE REPORT I DON'T SEE HOW KIA HAS NOT DONE ANYTHING ABOUT IT.

THE ELECTRICAL DOOR LOCK DO NOT WORK MOST OF THE TIME.I HAVE TO OPEN THE DOOR WITH THE KEY SOMETIME.THE CAR IS STATIONARY. THIS START IN MAY 2016 AND CONTINUE.

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. WHILE THE VEHICLE WAS OPERATED, THE PASSENGER NOTICED THAT THE SEAT BELT WAS NOT CONNECTED. THE WARNING CHIME DID NOT INDICATE THAT THE SEAT BELT WAS NOT LATCHED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE SERVICE MANAGER DIAGNOSED THAT THE FAILURE WAS INHERENT TO THE VEHICLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 70,500.

WHEN IT IS HOT AND THE SUN IS SHINING DOWN ON THE VEHICLE FOR A LONG PERIOD OF TIME, THE DRIVERS DOOR AND REAR PASSENGER DOOR LOCKS WILL NOT OPERATE FROM THE KEY FOB? WHEN IT COOLS DOWN SUCH AS EVENING OR EARLY MORNING THE LOCKS WORK JUST FINE FROM THE KEY FOB? SEEMS TO BE RELATED TO HOT OR COOL WEATHER. NO CLUE AT THIS POINT WHY I HAVE TO WORK THE LOCKS MANUALLY WHEN IT IS HOT OUTSIDE?

POWER DOOR LOCKS WILL NOT WORK AT TIMES BOTH INSIDE AND WITH THE REMOTE PREVENTING ALL ABILITY TO GET OUT OF THE VEHICLE. THIS OCCURS WHEN THE CAR IS AT A STOP BOTH WHILE RUNNING AND NOT RUNNING. I GENERALLY DO NOT TRY TO OPEN THE DOORS WHILE I'M DRIVING.

WHILE DRIVING HOME ONE DAY IN DECEMBER 2015, EACH TIME I APPROACHED A STOP LIGHT, YIELD SIGN OR SLOWED TO A LOW SPEED (LESS THAN 15 MPH), MY VEHICLE WOULD SHUT-OFF MULTIPLE TIMES. MY IN MOTION SPEED WAS APPROX 45 MPH WHEN NOT APPROACHING A STOP LIGHT OR YIELD SIGN. IT HAPPENED BOTH WHEN I WAS TURNING AND GOING STRAIGHT ON MAIN ROADS WITH 2-4 LANES. THE DEALERSHIP AND ANOTHER ASME CERTIFIED MECHANIC BOTH STATE ENGINE FAILURE, WHICH SEEMS TO BE A WIDESPREAD PROBLEM WITH 2.4L ENGINES MANUFACTURED BY KIA AND HYUNDAI AROUND THIS YEAR UP TO 2015.

TAKATA RECALL. LIGHT ON CLOCK AREA SHOWED AN OFF FROM THE DAY I PURCHASED THE CAR. THE SUDDENLY ON OR ABOUT 3/6/2016 AN INDICATOR LIGHT SHOWED AN AIR BAG WARNING. I TOOK IT INTO CHAMPION AUTOMOTIVE CARE PLUS. THEY INSPECTED THE INDICATOR LIGHT AND CONTACTED THE MANUFACTURE AND STATED TO REPLACE THE PART IT WOULD COST OVER $1000.00. THE NEXT DAY THE LIGHT WENT OUT. THEN A FEW DAYS LATER A MESSAGE CAME UP THAT THE PASSENGER AIR BAGS WERE OFF. MY ENGINE WAS TURNED ON, WHEN I PUT IT IN GEAR THE OFF LIGHT WENT ON. DUE TO THE LOUSY LIGHTING THE ONLY THING YOU COULD SEE WAS THE OFF LIGHT. THE ONLY TIME I WAS MADE AWARE THERE WAS A PROBLEM IS WHEN THE INDICATOR LIGHT WENT ON.

THE CAR HAS A LURCHING ISSUE WHEN IT SLOWS DOWN TO 20MPH WHEN THE CAR LURCHES WITH A HARD DOWN SHIFT TO 1ST GEAR. THIS PHENOMENA IS ESPECIALLY ACUTE WHEN THE CAR IS COLD OR WHEN YOU FIRST START DRIVING IT.

THE WEATHER STRIP ON THE WINDSHIELD ON THE DRIVER SIDE JUST STRARTED LIFTING UP AND COMING OFF AS I WAS DRIVING DOWN THE ROAD. I CHECKED THE DAMAGE AND SAW THE BLACK PIECE COMPLETELY OFF OF THE WINDSHIELD. IT CONTINUED TO LIFT MORE AS I DROVE. WHEN IT RAINED I BELIEVE WATER IS NOW IN THE SENSORS BECAUSE MY ODOMETER ONLY READS "ECO" ABOVE THE ACTUAL ODOMETER READING. IT BECAME SUCH A HAZARD WHILE DRIVING I HAD TO TAPE DOWN THE WEATHER STRIP JUST TO KEEP IT FROM FULLY COMING OFF MY CAR AND CAUSING FURTHER PAINT DAMAGE TO THE SIDE IT SMACKS AGAINST. NO MECHANIC WILL FIX THE ISSUE DUE TO BEING A MAUFACTURE ERROR AND I WOULD HAVE TO REPLACE THE ENTIRE WINDSHIELD IF I DID IT MYSELF. I HAVE CALLED KIA MANUFACTORS IN GA ONLY TO BE PLACED TO VOICEMAIL WITHOUT RESPONSE. I ASKED THE DEALERSHIP I BOUGHT THE CAR FROM AND THEY ALSO SAID TO CALL KIA.

WENT TO GO OUT(6:30 AM) AND FOUND THAT MY TRUNK LID WAS UNLATCHED, NOT OPEN, JUST UNLATCHED. FOUND OUT BY IT SHOWING ON MY DASHBOARD. YESTERDAY, 9/3/15, NEIGHBOR KNOCKED ON MY DOOR (2:45 PM) AND TOLD ME MY PARKING LIGHTS WERE ON. I HAD COME HOME AT 7:30 AM. I HAD GONE OUT WITH A NEIGHBOR A COUPLE OF TIMES, LIGHTS WERE NOT ON. LAST TIME WAS AROUND NOON.

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT THE FOUR POWER DOOR LOCKS INTERMITTENTLY WOULD NOT LOCK OR UNLOCK WHEN ACCESSING WITH THE KEY FOB, AUTOMATIC DOOR LOCKS, OR MANUALLY. THE FAILURE OCCURRED ON SEPARATE OCCASIONS AND BECAME PROGRESSIVELY WORSE. ON ONE OCCASION, THE DRIVER HAD TO EXIT FROM ANOTHER DOOR DUE TO THE LOCK FAILURE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO WAS UNABLE TO LOCATE THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 75,000.

VARIOUS DOORS WILL NOT PROPERLY LOCK/UNLOCK FROM THE ELECTRIC SWITCH AND THE KEY FOB. THIS IS AN INTERMENT FAILURE AFFECTING MULTIPLE DOORS IN THE VEHICLE. DIFFERENT DOORS LOCKS ARE FAILING AT DIFFERENT TIMES, BOTH LOCKING AND UNLOCKING. BASED ON MY RESEARCH ON THE INTERNET, THIS AFFECTS A SIGNIFICANT NUMBER OF 2005 TO 2010 OPTIMAS. THIS DEFECT COULD CAUSE OCCUPANTS TO BE TRAPPED IN THE EVENT OF AN ACCIDENT OR EMERGENCY.

LOUD GRINDING NOISE DEVELOPED IN RIGHT REAR BRAKE. UPON HIS EXAMINATION, MECHANIC FOUND RIGHT REAR BRAKE CALIPER FROZEN IN THE ENGAGED OR CLOSED POSITION. ALSO, LEFT REAR BRAKE CALIPER FOUND TO BE FROZEN IN THE DISENGAGED OR OPEN POSITION. IN ESSENCE, BOTH REAR BRAKES WERE INOPERABLE! WE WERE DRIVING A CAR THAT ONLY HAD FRONT BRAKES FUNCTIONING PROPERLY. OUR MECHANIC COULDN'T REMEMBER A CASE WHERE BOTH REAR BRAKES WERE INOPERABLE ON A CAR. WE BELIEVE THIS PROBLEM TO BE UNACCEPTABLE AND EXTREMELY DANGEROUS ON A VEHICLE WITH ONLY 74,314 MILES AND ONLY 5 YEARS OLD.

NOTICED AN AIRBAG LIGHT WAS ON ON THE DASH. TOOK THE CAR TO THE DEALER AND WAS TOLD THE PASSENGER SEAT AIRBAG SENSOR HAD FAILED AND THE COST TO REPAIR WOULD BE APPROXIMATELY $1800. REPAIR WAS NOT PERFORMED.

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT THE AIR BAG, ABS, AND BRAKE SYSTEM WARNING LIGHTS CONTINUOUSLY ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THE AIR BAG NEEDED TO BE REPLACED. NO REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 81,400.

TL*THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT CONTINUOUSLY ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE AIR BAG SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 68,000.

I LIVE IN IOWA AND WE GOT 6 INCHES OF SNOW.... WENT TO CLEAN THE SNOW OFF MY CAR WITH THE BRUSH PART OF SNOW BRUSH AND WHILE DOING THAT WAS ALSO WARMING UP MY CAR AND AS I WAS CLEANING OFF THE BACK WINDSHIELD I NOTICED A HOLE IN THE WINDOW..... MY BACK WINDOW NOT ONLY HAD A HOLE IN IT BUT SHATTERED!! HOW DOES THIS HAPPEN?!?! I DID NOTHING WRONG!!! NOTHING I HAVEN'T DONE A MILLION TIMES BEFORE AND WHY AM I RESPONSIBLE FOR PAYING FOR THIS?!?!? *TR

WHILE DECELERATING, EITHER BRAKING OR COASTING, THE CAR WILL LURCH VIOLENTLY WHEN REACHING APPROXIMATELY 22 MPH. THE SEVERITY OF THE LURCH VARIES BUT IN MOST INSTANCES IT IS HARD ENOUGH TO SNAP MY NECK FORWARD. *JS

OUR VEHICLE STARTED ONLY UNLOCKING THE 3 PASSENGER SIDE DOORS, WHEN USING THE KEYFOB TO UNLOCK. THE DRIVERS DOOR WILL STAY LOCKED AND YOU HAVE TO MANUALLY UNLOCK VEHICLE WITH KEY. NOW 2 OF OUR OTHER DOORS(BOTH REAR) DONT UNLOCK. ALL THE DOORS DO NOT LOCK WITH THE KEYFOB AND WHEN WE PUSH THE LOCK BUTTON INSIDE THE VEHICLE. WE HAVE TO MANUALLY LOCK/UNLOCK THE DOORS, WHICH IS A PAIN IN THE BUTT WHEN YOU HAVE SMALL CHILDREN! *TR

DRIVER DOOR FAILS TO UNLOCK WHEN REMOTE IS PRESSED TO UNLOCK BUT WILL UNLOCK ALL OTHER DOORS. THE DRIVERS DOOR AND ALL OTHER DOORS WILL LOCK WITH REMOTE BUT ONLY THE DRIVERS DOOR WILL NOT UNLOCK. *TR

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT ANOTHER VEHICLE CRASHED INTO THE REAR OF THE VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THERE WERE NO INJURIES. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. A POLICE REPORT WAS NOT FILED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS APPROXIMATELY 63,100.

WHILE SITTING AT A TRAFFIC LIGHT, A VEHICLE REAR-ENDED MY 2010 KIA OPTIMA. THE DRIVER HIT MY KIA SO HARD, I HIT THE MUSTANG IN FRONT OF ME. NO AIR BAGS DEPLOYED UPON EITHER IMPACT. KIA WAS DRIVABLE, BUT THERE WERE NOTICEABLE DIFFERENCES IN THE WAY THE CAR DROVE (I.E. STARTED PULLING TO THE RIGHT, WHEEL SHAKING, ETC). THIS WAS THE EVENING OF 01/23/2014. ON 01/29/2014, THE STEERING WHEEL LOCKED UP AND COLLIDED WITH A PARKED VEHICLE (TOTALING THE KIA) @ 28-30 MPH. AGAIN AIR BAGS DID NOT DEPLOY, AND THE IMPACT LIFTED ME UP AND MY HEAD SHATTERED THE WINDSHIELD FROM THE TOP. SEAT BELT WAS IN USE, BUT DID NOT LOCK UPON IMPACT, FAILING TO SECURE MY BODY. MAJOR CONCUSSION RECEIVED ALONG WITH MULTIPLE BRUISES, CUTS, AND SCRAPES. INVESTIGATION UNABLE TO DETERMINE THE CAUSE OF THE STEERING MALFUNCTION DUE TO THE EXTENT OF THE DAMAGE. *TR

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE DOWNSHIFTED VIOLENTLY. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE THE FAILURE WAS CONFIRMED. THE CONTACT ALSO MENTIONED THAT THE PASSENGER SIDE LOW BEAM HEADLIGHT FAILED DUE TO THE A FAILED WIRE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND INFORMED THE CONTACT THAT THE VEHICLE WAS NOT INCLUDED IN THE MANUFACTURER'S RECALL. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000.

HARD JERK WHEN DOWNSHIFT INTO FIRST GEAR AT 20-22 MPH. I AM CONCERNED THAT THIS COULD CAUSE AN ACCIDENT ON WET, ICY OR SNOW COVERED ROADS. WHEN I ASKED THE DEALER ABOUT THIS PROBLEM, HE SAID HE HAD NOT HEARD OF IT. *TR

WE HAVE BEEN HAVING ELECTRICAL ISSUES WITH OUR 2010 KIA OPTIMA, WHICH CURRENTLY HAS 45000 MILES ON IT. THE TPMS, (!) AND THE AIRBAG "OFF/ON" LIGHTS ALL GO OFF AND ON CONTINUALLY. THEY WILL BE ON FOR A FEW DAYS, THEN GO OFF AND STAY OFF FOR AN UNDETERMINED AMOUNT OF TIME. THE BRAKES ALSO JERK OUR CAR VERY ROUGHLY FORWARD WHEN WE ARE BRAKING. EVEN IF WE ARE GOING 5 MPH, WE PRESS ON THE BRAKES, THEN THE CAR GIVES A BIG JERK BEFORE IT COMES TO A COMPLETE STOP. *TR

THE CRUISE CONTROL IS INOPERATIVE. THE CRUISE CONTROL LIGHT WILL COME ON, BUT YOU CANNOT "SET" THE CRUISE CONTROL. I HAVE READ ONLINE ABOUT SEVERAL OTHER KIA MAKES AND MODELS HAVING THIS SAME ISSUE. AS FAR AS I CAN RESEARCH, THERE IS NOT A FUSE FOR THE CRUISE CONTROL. *TR

THE CAR BUCKLES WHEN REDUCING YOUR SPEED TO AROUND 20 MPH. ALSO THE REAR SEAT DOOR LOCK STOPPED WORKING AND MY CAR IS NO LONGER UNDER WARRANTY AND KIA WANTS TO CHARGE ME AROUND 700 DOLLARS TO FIX IT. *TR

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE AIR BAG WARNING LIGHT ILLUMINATED ON SEVERAL OCCASIONS. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSIS WHERE IT WAS STATED THAT THE PASSENGER'S SEAT SENSOR NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 72,000. UPDATED 09/25/13*LJ

MY REAR PASSENGER DOOR LOCK STOPPED WORKING. THE DOOR WILL NOT UNLOCK. I CALLED THE DEALERSHIP WHILE I WAS STILL UNDER WARRANTY BUT THEY COULD NOT GET ME IN FOR AN APPOINTMENT IN A TIMELY MANNER AND NOW MY WARRANTY HAS EXPIRED AND THE DEALERSHIP IS TELLING ME IT COSTS OVER $200 TO FIX THE PROBLEM. I CONSIDER THIS TO BE A SAFETY ISSUE. IF I WERE EVER IN AN ACCIDENT THE PERSON SITTING IN THIS SEAT WOULD HAVE A HARD TIME GETTING OUT OF THE CAR. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

VEHICLE KICKS FROM SECOND GEAR TO FIRST GEAR WHEN SLOWING DOWN FROM 20MPH. *TR

WHEN BRAKING AT LOWER SPEEDS OF LESS THEN 20MPH THE CAR LURCHES OR JERKS LIKE THE ANTI-LOCK BRAKES ARE ENGAGING OR THE TRANSMISSION IS DOWNSHIFTING HARD. *TR

THE VEHICLE WAS INVOLVED IN A 1 CAR ACCIDENT WHERE IT WENT OFF THE ROAD, INTO THE DITCH AND ROLLED SEVERAL TIMES. THERE WAS SIGNIFICANT DAMAGE TO THE FRONT END OF THE VEHICLE BUT NONE OF THE AIR BAGS DEPLOYED. THE BACK OF THE DRIVER'S SEAT WAS BROKEN DURING THE ACCIDENT AND WAS ALL THE WAY RECLINED RENDERING THE SEAT BELT INEFFECTIVE. THE INJURIES COULD HAVE BEEN MUCH WORSE THAN THEY ACTUALLY WERE GIVEN THE FACT THAT NO BAGS DEPLOYED. THE MANUFACTURER WAS OF LITTLE HELP WHEN CONTACTED AND DIDN'T SEEM TO CARE THAT THEIR PRODUCT COULD BE DEFECTIVE. *TR

WHEN BRAKING OR NOT AROUND 20 MILES AN HOUR CAR JERKS FORWARD. *TR

THE CAR LURCHES WHEN DOWN SHIFTING FROM 18 TO 20 MILES AN HOUR. HARD DOWN SHIFT AT EVERY STOP. *TR

TL*THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, ANOTHER VEHICLE UNEXPECTEDLY CRASHED INTO THE REAR OF THE VEHICLE WHICH CAUSED IT TO TRAVEL OVER A CONCRETE LANE DIVIDER. THE TRUNK SPACE AREA WAS CRUSHED UP AGAINST THE REAR SEATS IN THE VEHICLE. THE SUBSTANTIAL IMPACT DID NOT CAUSE THE AIR BAGS TO DEPLOY. THE DRIVER SUFFERED FROM SEVERE WHIPLASH AND BACK PAIN. A POLICE REPORT WAS FILED OF THE INCIDENT. THE VEHICLE WAS COMPLETELY DESTROYED AND TOWED TO A SAVAGE FACILITY. THE MANUFACTURER WAS NOTIFIED OF THE AIR BAG DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 40,008. UPDATED 12/11/12*LJ UPDATED 12/14/2012 *JS

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. WHILE THE VEHICLE WAS PARKED THE AIR BAG LIGHT ILLUMINATED ON THE INSTRUMENT PANEL AND THE WARNING CHIME SOUNDED. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING AND THE TECHNICIAN STATED THE CUSHION ASSEMBLY IN THE FRONT PASSENGER SEAT WOULD HAVE TO BE REPLACED. THE VEHICLE WAS REPAIRED. AFTER THE VEHICLE WAS REPAIRED THE FAILURE CONTINUED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE CUSHION ASSEMBLY AND THE COMPUTER. THE VEHICLE WAS REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 18,000.

WHEN SLOWING DOWN WITHOUT THE ASSISTANCE OF USING THE BRAKES, THE CAR JERKS AS THE TRANSMISSION DOES A HARD DOWNSHIFT CAUSING ENOUGH JERK TO THE DRIVER. THIS HAPPENS ALL THE TIME. *TR

WHEN SLOWING DOWN, EITHER WITH OR WITHOUT BRAKING ASSISTANCE, CAR JERKS AS THE TRANSMISSION DOES A HARD DOWNSHIFT FROM 2ND TO 1ST GEAR WHEN REACHING 20 MPH. THE FORCE OF THE DOWNSHIFT IS ENOUGH TO JOLT THE DRIVER. *TR

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT UPON PURCHASING THE VEHICLE, HE NOTICED THAT IT WAS NOT EQUIPPED WITH A SPARE TIRE, JACK, OR LUG NUT WRENCH. THE MANUFACTURER WAS NOTIFIED AND THEY STATED THAT THEY WOULD NOT SUPPLY THE CONTACT WITH THE MISSING ITEMS BECAUSE THE VEHICLE EXHIBITS BETTER FUEL EFFICIENCY WITHOUT THEM. THE CONTACT DID NOT FEEL SAFE DRIVING THE VEHICLE WITHOUT THE MISSING EQUIPMENT. THE FAILURE AND CURRENT MILEAGES WERE 1,500.

TL* THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT THE VEHICLE WAS PARKED IN A RESIDENTIAL DRIVEWAY AND AS HE CLOSED THE DOOR, ALL OF THE AIR BAGS DEPLOYED. THE VEHICLE WAS TAKEN TO THE DEALER WHO ADVISED THAT THEY WOULD REPLACE THE AIR BAGS UNDER WARRANTY. THE PARTS WERE ON BACKORDER AND THE DEALER WAS UNABLE TO DETERMINE WHEN THEY WOULD BECOME AVAILABLE. THE MANUFACTURER WAS CONTACTED WHO ADVISED THAT THEY WOULD REPAIR THE VEHICLE UNDER THE WARRANTY. THE FAILURE MILEAGE WAS 5,000. THE VIN WAS UNAVAILABLE. UPDATED 09/15/11 *BF UPDATED 10/24/11

PURCHASED A SUNSHINE KIDS RADIAN XTSL AND INSTALLED IT REARFACING IN THE BACK CENTER SEAT OF A 2010 KIA OPTIMA. THE LATCH LOOSENS BY ITSELF, THIS WAS/IS INSTALLED PROPERLY. (RELATED VEHICLE INFORMATION: MODEL YEAR=2010, MAKE=OPTIMA, MODEL=KIA). *TR

TL*THE CONTACT OWNS A 2010 KIA OPTIMA. THE CONTACT STATED THAT WHEN INSERTING A CD INTO THE CD PLAYER IT BECAME EXTREMELY HOT TO THE TOUCH AND HE WAS AFRAID IT COULD START A FIRE. THE VEHICLE WAS INSPECTED BY A DEALER WHO INFORMED HIM THAT IT WAS NORMAL. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 54. UPDATED 01/11/11*LJ UPDATED 01/31/11 *BF UPDATED 02/14/11

I WAS PARKING MY CAR IN A LOT WHEN IT SURGED FORWARD (ACCELERATED SUDDENLY) WITHOUT MY DEPRESSING THE ACCELERATOR CAUSING ME TO LOSE CONTROL OF MY CAR AND HIT ANOTHER VEHICLE, SEVERELY DAMAGING THE OTHER VEHICLE AND MINE. MY CAR WAS TOWED TO A REPAIR FACILITY. *TR

TL* THE CONTACT WAS DRIVING A RENTED 2010 KIA OPTIMA. THE CONSUMER STATED SHE STOPPED THE VEHICLE WHILE THE GEAR WAS IN DRIVE, TURNED OFF THE IGNITION AND ATTEMPTED TO REMOVE THE KEY FROM THE IGNITION, BUT IT WOULD NOT RELEASE. THE GEAR SHIFT HAD LOCK UP AND SHE WAS UNABLE TO MOVE THE GEAR INTO NEUTRAL OR THE PARK POSITION. SHE STATED THE MANUAL READ TO START CAR, THE GEAR SHIFT MUST BE IN THE PARK POSITION AND THE FOOT MUST BE ON THE BRAKE. THE CONSUMER STATED AS SHE SLIGHTLY MOVED THE KEY, THE VEHICLE STARTED WITH HIGH SPEED AND CRASHED HEAD ON INTO A BUILDING. THE CONSUMER WAS INJURED AND THE AIR BAG FAILED TO DEPLOY THE FAILURE AND CURRENT MILEAGES WERE 1,750. UPDATED 12/01/10. *LJ