NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2008 Infiniti G37. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
2008 INFINITI G37S WITH A 5 SPEED AUTOMATIC TRANSMISSION WITH 41,000 MILES - I WAS ENTERING THE FREEWAY GOING ABOUT 55 MPH AND THERE WAS AN 18 WHEELER IN FRONT OF ME HAVING A HARD TIME PICKING UP SPEED. BEFORE PASSING, I TAPPED MY BRAKE, DOWNSHIFTED FROM 4TH TO 3RD GEAR WITH MY LEFT PADDLE SHIFTER NEAR THE STEERING WHEEL AND PROCEEDED TO GET IN THE LANE TO THE LEFT OF THE MERGING LANE ONTO THE FREEWAY. I WAS HALFWAY IN THE LANE AND HIT THE GAS BUT THERE WAS NO RESPONSE FOR 3-5 SECONDS. I HAD CARS COMING UP BEHIND ME AT 65-70 MPH AND MY CARS TRANSMISSION WAS LAGGING, IT WAS BASICALLY IN NEUTRAL WHEN I NEEDED TO GO IMMEDIATELY, THERE WAS NO RESPONSE WHEN I HIT THE GAS, 2 CARS ALMOST HIT ME AS MY CAR DECELERATED TO ALMOST 45 MPH. THIS HAS HAPPENED NUMEROUS TIMES AND IS VERY DANGEROUS. WHEN THE CAR DOES FINALLY RESPOND, IT SLAMS INTO GEAR UNEXPECTEDLY AND IS SOMETIMES HARD TO CONTROL. PLEASE HELP US TO RESOLVE THIS ISSUE OR SOMEBODY WILL EVENTUALLY GET HURT IF THEY ALREADY HAVEN'T. I HAVE SPOKEN TO NUMEROUS INFINITI OWNERS AND IT SEEMS THAT THIS IS HAPPENING TO THEM AS WELL BUT ONLY THE SAME YEAR AS MY CAR, 2008, AND ONLY THE AUTOMATIC TRANSMISSIONS. *TR
TL* THE CONTACT OWNS A 2008 INFINITI G37S. THE CONTACT STATED THAT WHILE MERGING OFF AN EXIT RAMP AT 60 MPH, HE ATTEMPTED TO SHIFT INTO A LOWER GEAR BUT THE CLUTCH REMAINED STUCK IN NEUTRAL. THE CONTACT WAS UNABLE TO SHIFT GEARS. THE CONTACT SAFELY MERGED ONTO THE SHOULDER WITH THE GEAR IN NEUTRAL. THE VEHICLE WAS THEN TOWED TO THE DEALER, WHO STATED THAT THE FAILURE WAS A DRIVER'S ERROR. THE VEHICLE WAS BEING REPAIRED AT THE DEALER. THE MANUFACTURER WAS NOTIFIED AND THE CONTACT WAS AWAITING A RESPONSE. THE FAILURE MILEAGE WAS 35,000.
I UNDERSTAND THE CARS SYMPTOMS ARE THE SAME DESCRIBED IN INFINITI'S ITB07048 BULLETIN (SUDDEN ACCELERATION), I WAS TOLD THE FIX IS FREE IN THE US BUT INFINITI IN PUERTO RICO WANTS TO CHARGE FOR THIS SAFETY ISSUE FIX. I UNDERSTAND PUERTO RICO HAS THE SAME REGULATIONS AS IN THE US WHEN TRANSIT IS REFERRED TO. WHY IS IT NOT A RECALL? *JS
THIS HAS BEEN HAPPENING ON MULTIPLE OCCASIONS. WHENEVER I AM DRIVING AND I TRY TO STOP, SOMETIMES THE ENGINE INCREASES WHILE BRAKING. IT HAS HAPPENED ABOUT 4 TIMES NEAR A STOP SIGN WHEN I AM DRIVING 20MPH, AND IN THE HIGHWAY DRIVING 55-60MPH. THIS IS A SERIOUS ISSUE AND CAN CAUSE AN ACCIDENT. I AM TAKING IT TO THE DEALERSHIP ON WEDNESDAY SO THEY CAN EITHER ISSUE A LEMON OR FIX THE ISSUE. I AM VERY UNHAPPY WITH THIS PROBLEM. I SEARCHED ONLINE AND SOME PEOPLE HAVE BEEN HAVING THE SAME ISSUE AND DEALERS TELLING THEM "THERE IS NOTHING WRONG". *TR
ON 9/30/2011 I WAS DRIVING AT APPROXIMATELY 10 MPH THROUGH OUR HIGH SCHOOL PARKING LOT. MY SPACE IS DIRECTLY ALIGNED WITH A SPEED BUMP. I SLOWED DRAMATICALLY FOR THE SPEED BUMP AT THE SAME TIME I MADE THE TURN TO ENTER MY PARKING SPACE. THE CAR RESPONDED INCORRECTLY TO THE BRAKES, WHICH HAD HAPPENED TO ME ONCE BEFORE. THE CAR SURGED FORWARD, OVER A SIDEWALK, DOWN AN EMBANKMENT AND INTO A WALL. THE FIRST TIME THE CAR SURGED FORWARD LIKE THAT WAS IN 2008 AND THE SERVICE DEPARTMENT TOLD ME THERE WAS NOTHING WRONG. THIS TIME, THE CRASH CAUSED IRREPARABLE DAMAGE AND MY CAR WAS TOTALED.
WHEN ACCELERATING FROM A STOP OR AT SPEED, THE CAR HESITATES/STALLS THEN ACCELERATES RAPIDLY. THIS HAS HAPPENED 7 TIMES IN THE LAST FEW MONTHS. INFINITI COULD NOT DUPLICATE THE ISSUE 1 TIME AND SAID THERE IS NO PROBLEM. *TR
WHILE STOPPED BEHIND ANOTHER VEHICLE, THE CAR'S ENGINE REVVED CONTINUOUSLY, AND I HAD TO PRESS THE BRAKES HARDER, LEST HIT THE VEHICLE IN FRONT. I SWITCHED THE AUTOMATIC TRANSMISSION INTO NEUTRAL UNTIL THE TRAFFIC MOVED AGAIN. *TR
CRACKING OF DASH. MY CAR WAS PURCHASED WITH VERY DARK GLASSES AND IT DID NOT PREVENT THE ISSUE. CRACKING HAS CONTINUED ALL OVER DASH.
VEHICLE PULLS AND JUMPS ALL OVER THE PLACE, THIS IS SO PRONOUNCED THAT THE VEHICLE IS UNSAFE TO DRIVE ON MOST ROADS. I HAVE TAKEN THE VEHICLE TO THE DEALER 3 SEPARATE TIMES FOR THIS ISSUE, ON EACH OCCASION THEY HAVE PERFORMED AN ALIGNMENT BUT IT DOES NOT SOLVE THE PROBLEM. ON THE FOURTH VISIT TO THE DEALER AN INFINITI REPRESENTATIVE LOOKED AT THE VEHICLE AND DECLARED THAT THERE IS NOTHING WRONG WITH THE VEHICLE BUT CONFIRMED IN WRITING THAT THE VEHICLE DOES INDEED EXHIBIT THIS BEHAVIOR. ADDITIONALLY, THE VEHICLE WILL OCCASIONALLY HAVE A COMPLETELY UNRESPONSIVE THROTTLE AND WHEN I TRY TO ACCELERATE - THE VEHICLE WILL JUST SIT IDLING, THIS HAS BECOME EVEN MORE COMMON SINCE THE LAST VISIT TO THE DEALER (THE DEALER REPROGRAMMED THE ECU FOR REASONS THAT STILL HAVE NOT BEEN MADE CLEAR TO ME) CONCERNING THE ABOVE ISSUE. *TR
ON OCTOBER 23, 2009 I WAS DRIVING IN A PARKING STRUCTURE WITH MY INFINITI G37 2008 AND A PASSENGER. THERE WERE SEVERAL PARKING SPACES ON THE FOURTH FLOOR. THE PARKING STRUCTURE WAS VERY BUSY AND SLOW MOVING. I COASTED INTO THE PARKING SPORT SINCE I WAS DRIVING AT A CRAWL. WHEN I TOUCHED THE BRAKE LIGHT TO COME TO A COMPLETE STOP THE CAR SURGED FORWARD WITH SUCH A FORCE THAT IT HIT THE WALL THAT WAS APPROXIMATELY 3 FOOT IN FRONT OF PARKING CURB. IF IT HADN'T HAVE BEEN FOR THE WALL THE CAR WOULD HAVE GONE OVER. *TR
G37S. CLUTCH FLOPS AROUND, RENDERING IT INEFFECTIVE - IN TRAFFIC AND AT HIGHWAY SPEEDS. THIS HAS BEEN A RECURRING PROBLEM. *TR
THE ENGINE MAKES CLICKING/TAPPING SOUND AT START-UP, DEALER SERVICE DEPARTMENT CONTACTED. I WAS INFORMED THAT I NEED A "SPECIAL" OIL CHANGE, AND THEY'RE AWARE OF THE PROBLEM. AFTER RESEARCHING FOR THE SAME PROBLEM, IT LOOKS LIKE THIS 'SPECIAL' FACTORY OIL WILL BE NEEDED AND COST MORE THAN CONVENTIONAL OIL. HOWEVER, I WAS NOT INFORMED OF THIS SPECIFIC MATTER WHEN THE VEHICLE WAS PURCHASED NOR DOES IT SAY ANYWHERE IN MY OWNER MANUALS. APPARENTLY, ONLY THE DEALERSHIP HAD SUCH OIL AND I AM REQUIRE TO USE IT AFTER THE FACT. *TR
IN THE FIRST 2,000 MILES OF DRIVING I HAVE EXPERIENCED SEVEN OCCASIONS OF ENGINE SPEED INCREASE WHEN BRAKING. I AM IN STAGE TWO OF THE LEMON LAW. *TR
EXPERIENCED OVER SIX WEEKS FIVE INCIDENTS OF ENGINE SPEED INCREASE WHEN BRAKING AS DESCRIBED BY INFINITI IN THEIR BULLETIN ITB07-048. REPROGRAMMING THE 2008 G37 PER THIS BULLETIN WAS UNSUCCESSFUL. DEALER CLAIMS NO PROBLEM BECAUSE THEY CAN NOT VERIFY. *TR
THE DASHBOARD HAS NUMEROUS CRACKS AND A VERY STICKY RESIDUE ALL OVER,UNABLE TO CLEAN, EVERY CLEANING CLOTH STICKS TO THE DASH. DASH IS VERY SHINY BECAUSE OF THE STICKY RESIDUE ON IT, MAKING A GLARE WHEN THE SUN IS BRIGHT. I FEEL THIS IS A SAFETY ISSUE DUE TO THE GLARE AND IT IS ALSO VERY UNATTRACTIVE BECAUSE OF THE LINT AND EVERYTHING THAT IS STUCK TO IT ALL THE TIME.
TL*THE CONTACT OWNS A 2008 INFINITI G37. THE VEHICLE HAS BRIDGESTONE POLE POSITION, SIZE 24540W19 TIRES. WHILE DRIVING 65 MPH, THE CONTACT STATED THAT THERE WAS A FLAT ON THE DRIVER SIDE REAR TIRE. THE DEALER STATED THAT THERE WERE ABNORMAL TEARS ON THE SIDEWALL OF THE REAR DRIVER SIDE TIRE CAUSED BY A TIRE IMPERFECTION. THE DEALER REPLACED THE TIRE. THE FAILURE MILEAGE WAS 1,370 AND CURRENT MILEAGE WAS 2,145. THE CONSUMER STATED HE DID NOT KNOW WHAT WOULD CAUSE THE TIRE TO FAIL. THE TIRE WOULD NOT HOLD AIR AFTER IT WENT FLAT. THE DEALER STATED THE TIRE HAD AN IMPERFECTION. THE LOW TIRE PRESSURE LIGHT DID NOT ILLUMINATE WHEN THE TIRE WHEN FLAT. UPDATED
Data synced from NHTSA on May 4, 2026