2017 Toyota Corolla complaints

CHECK ENGINE LIGHT IS ON. THROWS 5 CODES ALL EMISSIONS AND FUEL ERRORS. TOYOTA DEALERSHIP HAD IT FOR A FULL DAY AND CAN NOT FIGURE OUT WHY/CAUSE. NEEDS FOR LONGER. 8000 MILES ON CAR.

CAR SPEEDS UP AT STOP OR LOW SPEEDS ON HIGHWAY AND STREETS STOP AND GO TRAFFIC

BRAKES ARE SLVERY SOFT AND HAVE BEEN SINCE 500 MILES; AND FROM DAY ONE HAVE SEEMED TO SOFTEN OVER TIME. BRAKING DISTANCE IN MY OPINION IS DANGEROUS FROM THE FACTORY. I'VE HAD THEM ADJUSTED TWICE AND I'M ABOUT TO HAVE IT DONE A THIRD TIME. I BOUGHT THE CAR NEW AND HAVE DRIVEN 22K MILES. TOYOTA SAYS THERE IS NOTHING WRONG BUT SINCE THE PEDAL FEEL IS BETTER AFTER THEY ADJUSTED THEM, AND SLOWLY GETS WORSE THEY OBVIOUSLY KNOW WHAT'S GOING ON.

I WAS DRIVING HOME ON HAMILTON ROAD, IN COLUMBUS, OHIO, AT 535PM. I NOTICED THAT MY HEADLIGHTS WEREN'T ON, WHEN OTHER DRIVERS WERE TRYING TO WORN ME. I SET MY HEADLIGHTS ON AUTOMATIC WHEN I FIRST RECEIVED THE CAR. I FINALLY FOUND THE SWITCH TO TURN MY HEADLIGHTS ON MANUALLY. THEN MY CAR STARTED TO BRAKE 10-15 FEET FROM THE CAR IN FRONT OF ME, MY TIRES WERE SQUEALING. MY FOOT WAS NOT ON THE BRAKE PEDAL IT WAS STILL ON THE ACCELERATOR. IT WAS TOO LATE I HIT THE SUV IN FRONT ME. MY AIR BAGS DIDN'T DEPLOY. THE ACCIDENT AVOIDANCE SYSTEM DIDN'T ACTIVATE UNTIL TO LATE. IT IS CLEAR THAT THE CAR RESPONDED AFTER THE HEADLIGHT SWITCH WAS MANUALLY TURNED ON INSTEAD OF BEING IN THE AUTO POSITION. IT WAS SUGGESTED AT A DEALERSHIP EARLIER THAT CYCLING THE NAVIGATION SYSTEM ON THE CAR COULD INADVERTENTLY DISARM IT. IF THAT WERE THE CASE AND IT WAS OFF ACCIDENTLY WHY DID THE CAR TRY TO BRAKE AT THE LAST SECOND ON ITS OWN BY TURNING ON THE HEADLIGHT SWITCH. THIS CAR WAS PURCHASED FOR THE DRIVER FOR THE VERY REASONS OF ITS SAFETY FEATURES UNFORTUNATELY THIS CAR COMPLETELY FAILED TO PROTECT THE DRIVER. THAT IS WHY I FEEL LIKE THIS SHOULD BE LOOKED AT IMMEDIATELY TO SEE IF THIS IS A MECHANICAL ISSUE, PROGRAM ISSUE, OR SIMPLY DRIVER ERROR, WHICH I DO NOT BELIEVE AT THIS POINT. I HAVE PHOTOS OF VEHICLE AND INTERIOR WHICH I AM UNABLE TO UPLOAD ON THIS SITE, THEY ARE AVAILABLE UPON REQUEST.

ON INTERSTATE IN WESTERN MARYLAND AND WEST VIRGINIA, ROAD CURVES TO LEFT, GOING UPHILL (STEEP) AT 70 MPH AND 4000+ RPM IN DRIVE, 3 LANES, TRUCK IN "SLOW" RIGHT LANE (40MPH), COROLLA IN MIDDLE LANE, LEFT LANE EMPTY. SAFET SENSE "SEES" TRUCK AND HITS BRAKES. NO ONE BEHIND, THANKS. POSSIBLE REAR END COLLUSION. SERIOUS SAFETY FAULT. DIFFICULT FOR COROLLA TO REGAIN SPEED. DOES NOT HAPPEN ON RIGHT CURVE AS THOSE VEHICLES IN LEFT LANE ARE MOVING FASTER THAN COROLLA.

THE VEHICLE WAS TRAVELING IN THE LEFT LANE OF A DIVIDED 4 LANE HIGHWAY AT A SPEED OF 55 MPH WITH THE SPEED CONTROL AND RADAR ENGAGED. THE ROAD CURVED SLIGHTLY TO THE RIGHT. THE VEHICLE APPROACHED A CAR STOPPED IN THE LEFT TURN LANE IN THE MEDIAN - NOT IT THE LANE OF TRAVEL. DUE TO THE CURVATURE OF THE ROAD, THE RADAR DETECTED THE STOPPED VEHICLE AND APPARENTLY BELIEVED IT TO BE IN THE PATH OF TRAVEL. THE RADAR/SPEED CONTROL SOUNDED ITS "COLLISION ALARM" AND RAPIDLY DECELERATED APPROXIMATELY 10 - 15 MPH BEFORE I COULD DISENGAGE IT AND REGAIN CONTROL. HAD THERE BEEN A VEHICLE FOLLOWING ME THIS COULD HAVE RESULTED IN A COLLISION AS A FOLLOWING DRIVER WOULD HAVE SEEN THAT THE LANE OF TRAVEL WAS CLEAR AND WOULD HAVE NO REASON TO EXPECT MY VEHICLE TO SUDDENLY DECELERATE. I HAVE EXPERIENCED SIMILAR ISSUES WHEN A VEHICLE IN FRONT OF ME TURNS RIGHT OR LEFT AT AN INTERSECTION. I CAN SEE THAT THE VEHICLE IS TURNING AND I KNOW HOW LONG IT WILL TAKE TO CLEAR THE TRAVEL LANE. THE RADAR SPEED CONTROL SYSTEM SEEMS TO DETECT THE SLOWING VEHICLE BUT TAKES A LONG TIME TO PROCESS WHAT IS HAPPENING. THE SPEED CONTROL WILL ABRUPTLY DECELERATE THE VEHICLE AFTER THE TURNING VEHICLE IS WELL OUT OF THE INTERSECTION. AGAIN, THE SUDDEN DECELERATION WITHOUT APPARENT TRAFFIC CONDITIONS TO WARRENT SUCH ACTION ARE A HAZARD TO THE VEHICLE AND ANY FOLLOWING VEHICLES. I TOOK THE VEHICLE TO THE SERVICE DEPARTMENT AT AT TOYOTA OF GOLDSBORO (NC) ON OCTOBER 23, 2017. THEIR OPINION WAS THAT THE SPEED CONTROL/RADAR

SPEED CONTROL ENGAGED GOING DOWNHILL ON HIGHWAY AT 60 MPH - CAR ACCELERATES VERY QUICKLY TO OVER 70 MPH AND THE TAC GOES TO 4500. TO DISENGAGE I EITHER TURNOFF SPEED CONTROL OR BRAKE. THIS HAPPENED FOUR TIMES TODAY. I HAVE NEVER HAD A TOYOTA ACT LIKE THIS. USUALLY SPEED CONTROL MAINTAINS THE SPEED UPHILLL OR DOWNHILLL IN A VERY SMALL RANGE AND NEVER RACES THE ENGINE. THIS IS VERY DANGEROUS AND I WILL NOT USE SPEED CONTROL UNTIL I CAN GET THIS FIXED. TAKING TO TOYOTA MONDAY. I NOTICED THAT THERE ARE QUITE A FEW COMPLAINTS ON THE INTERNET ABOUT THIS EXACT PROBLEM.

TL* THE CONTACT OWNS A 2017 TOYOTA COROLLA. THE CONTACT STATED THAT WHILE THE CRUISE CONTROL WAS ACTIVATED AT 65 MPH, THE DYNAMIC RADAR FEATURE ACTIVATED VIOLENTLY. THERE WAS NO VEHICLE IN FRONT OF THE CONTACTS VEHICLE AT THAT TIME THAT SHOULD HAVE ACTIVATED THE DYNAMIC RADAR. THE DEALER (TOYOTA OF EASLEY, 5643 CALHOUN MEMORIAL HWY, EASLEY, SC 29640, (864) 855-2233) WAS NOTIFIED. THE MANUFACTURER WAS ALSO NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 700. *LN *TR

I JUST PURCHASED A 2017 COROLLA XSE IN FEB 2017. THE FIRST TIME IT HAPPENED I HAD THE CRUISE CONTROL ON AND WAS TRAVELING TO WORK AT 05:15, AND I CAME TO AN OVERPASS AND ON THE WAY DOWN THE NORMAL OVERPASS OVER A CROSS STREET, I HEARD THE ENGINE REV AND I LOOKED AT THE TACH, AND IT WAS AT 5000 RPM. I WAS STARTLED. THE SAME THING HAPPENED AT THE NEXT OVERPASS. THIS TIME IT WAS 4000 RPM ALMOST AT THE BOTTOM OF THIS RATHER SHORT AVERAGE DOWNHILL. THIS IS STILL HAPPENING, BUT OCCASIONALLY IT DOES NOT. HOW COULD THIS POSSIBLY BE CORRECT. I CAN CONTROL THE SPEED QUITE NICELY WITH MY FOOT ON THE ACCELERATOR WITHOUT HARDLY ANY VARIATION OF MY RPM'S. THIS JUST DOESN'T MAKE SENSE. I AM NOT TALKING ABOUT A LONG DOWNHILL ROAD THAT HAS A LANE FOR TRUCKS ON THE RIGHT, WHERE THEY WOULD HAVE TO DOWNSHIFT TO MAINTAIN A SAFE SPEED, THIS IS JUST OVERPASSES ON A FREEWAY SYSTEM. I ASKED MY SALESMAN, AND HE SAID THAT IT WAS PROBABLY NORMAL, AND I SAID HOW COULD IT BE NORMAL FOR THIS THING TO REV AT 5000 RPM ON A HOUSTON FREEWAY? I ONLY HAVE 5000 MILES ON THIS CAR. THIS WILL DEFINITELY AFFECT THE MILEAGE. I AM BESIDE MYSELF AT THIS POINT.

WAS DRIVING MY CAR HOME FROM WORK AND ABOUT 5 MINUTES AFTER I STARTED IT AND BEGAN TO DRIVE, I WENT OVER A SPEED BUMP GOING 5MPH AND SUDDENLY MY THEFT ALARM SYSTEM STARTS GOING OFF AND INCESSANTLY HONKING. MY HAZARD LIGHTS ALSO BEGAN TO BLINK AND MY HIGH BEAMS TURNED ON. I PULLED OVER AND PRESSED MY SMART KEY ALARM MULTIPLE TIMES UNTIL THE ALARM STOPPED. EVERY TIME I WOULD HIT ANY SORT OF BUMP OR USE MY TURN SIGNAL SWITCH, THE ALARM AND HEADLIGHTS LIGHTS WOULD START GOING OFF. I TOOK IT TO TOYOTA AND THEY CAN'T FIGURE OUT WHAT'S WRONG. THEY SAID IT IS AN ELECTRICAL ISSUE, BUT NOT A TOYOTA ONE. THAT DOESN'T MAKE SENSE SINCE TOYOTA ENGINEERS THE ELECTRIC COMPONENTS.

MY NEW 2017 COROLLA HAS SQUEAKY BRAKES RIGHT OUT OF THE SHOWROOM WHEN I APPLY THE BRAKES EVERY TIME, AND CONTINUES TO DO SO.

I OWN A TOYOTA COROLLA 2017 SINCE 1/14/17.CAR SHOWS 2 MAIN ISSUES: 1)- COOLING FLUID EVAPORATES CONTINUOSLY OR DECREASES FROM FLUID TANK AT ABOUT 1/4 OF IN. X MONTH EVERY TIME I'VE CHECKED IT IN. I,FIRST, REFILLED IT ONCE WITH CORRECT OR SAME FLUID.IT KEPT EVAPORATING AT THE SAME RATE.THEN,I REPORTED IT TO DEALERSHIP IT WAS SOLD. 2)- SHIFT LEVER OR GEAR CONTROL; THIS CAR COMES WITH CVT AUTOMATIC TRANS- MISSION, EVERY TIME I SHIFT SPEED GEAR AND MOVE KNOB FROM PARKING TO DRIVE POSITION AND VICE VERSE, THE SHIFTING DOESN'T OCURRES CORRECTLY OR GOT STUCK IN THE PREVIOUS SPEED TEMPORARELY AND THEN IT MOVES TO POSITION I SHIFTED. WHEN CAR IS APLLIED BRAKE PEDAL TO PARK CAR IN PLAIN SURFACE AREAS(PARKING LOTS, CITY STREETS) AND SPEED GEAR KNOB IS PLACED IN PARKING POSITION, CAR MOVES BACK AND FORTHS 2 TO 3 TIMES AND THEN STOP COMPLETELY. BOTH ISSUES WERE REPORTED TO DEALERSHIP. IN A PROGRAMMED SERVICE CAR ASKED TO DEALERSHIP DUE TO MANUFACTURER'S CAR WARRANTY ON JUNE,11TH/17 BOTH ISSUES WERE REPORTED TO DEALERSHIP TECHNICIAN PERFORMING CAR SERVICES. ACCORDING TO TECHNICIAN'S REPORT AND WORDS, COOLING FLUID TANK WAS REFILLED TO CORRECT LEVELS, COMPUTER CHECKING WAS APPLIED AND FAILURES CODES WEREN'T FOUND EITHER ON THE COOLING SYSTEM OR AUTOMATIC TRANSMISSION SYSTEM.TECHNICIAN ALSO REPORTED THAT FARTHER OBSERVATION WOULD BE NEEDED IN CASE OF TRANSMISSION SHIFTING ISSUES,BUT IT WOULD TAKE MY CAR PARKED IN DEALERSHIP SERVICE AREAS FOR 3 HOURS BEFORE HE TRIES ANY ATTEMPT TO DISSAMBLE A

THE PASSENGER SIDE SEAT SLIPS OUT OF THE LOCKED POSITION. WHEN SITTING ON AND WHILE MOVING.

THE TRANSMISSION (CVT) DOESN'T RESPOND WHEN ACCELERATING LEAVING A STOP SIGN CAUSING A DELAY IN MOVING AND WE FEAR WILL ONE DAY CAUSE AN ACCIDENT AS IT WON'T GET OUT OF THE WAY OF OTHER TRAFFIC. IT ALSO DOESN'T SHIFT CORRECTLY (IT REVS TOO HIGH BEFORE IT SHIFTING) EVEN THOUGH IT IS AN AUTOMATIC. TO US IT SEEMS LIKE A HAZARD TO US AND OTHERS ON THE ROAD. TOYOTA MAINTENANCE SAYS IT IS NORMAL, BUT THIS IS ONGOING SINCE WE PURCHASED THE CAR.

I HIT A DEER DOING 50 MPH AND MY AIRBAGS NEVER DEPLOYED. I CONTACTED BUTLER TOYOTA OF MACON GEORGIA AND ASKED THEM TO PLEASE RESEARCH THIS ISSUE AND THEY HAVE NOT CONTACTED ME BACK. IT HAS BEEN OVER 2 WEEKS NOW.

THE CARS TAKATA LATERAL AIRBAGS ACTIVATED AFTER HITTING A BUMP ON THE SIDE OF THE ROAD WHILE GOING UPHILL. I HAD DRIVEN TO THE SIDE OF THE ROAD TO AVOID AN ACCIDENT WITH AN INVADING VEHICLE AND I DO NOT FEEL THAT THE BUMP THE WHEEL HAD HIT WAS THAT STRONG TO ACTIVATE THE LATERAL AIRBAGS. I HAD CONTACTED MY LOCAL DEALER FOR ASSISTANCE AS I HAVE A FULL COVER AND THEY HAVE NOT PROVED USEFUL AT ALL. TWO MONTHS LATER MY CAR IS STILL AT A WORKSHOP AS THEY HAVE NOT BEEN ABLE TO RECEIVE THE NEW AIRBAGS TO INSTALL ON THE CAR AND I'VE BEEN WITHOUT A VEHICLE BECAUSE THE FULL COVER DOES NOT COVER A RENTAL. I WOULD NOT RECOMMEND A PURCHASE OF ANY TOYOTA VEHICLES BECAUSE OF THE BAD SUPPORT AND EXPERIENCE I HAVE HAD WITH THEM SINCE THEY EVEN REFUSED TO ACCEPT MY CAR AFTER I HAD BROUGHT IT TO THEM FOR ASSISTANCE THE DAY THE AIRBAGS WENT OFF.

TAKATA RECALL

MY WIFE WAS DRIVING THE CAR ON I95 FROM SOUTH TO NORTH (AFTER EXIT 6 IN PA) TOWARDS PHILLY AIRPORT ON 7/22/2017 AND THE CAR WAS HIT AT THE REAR BY ANOTHER CAR. CAR WAS SPAN AND STOPPED. THANK TO GOD THAT SHE IS OK. HOWEVER, THE CAR WAS TOTALED BY THE INSURANCE. OUR CONCERN WAS NO AIRBAG DEPLOYED. OUR COLLISION CENTER AS WELL AS TOYOTA DOESN'T KNOW WHY. NEED YOUR HELP AS WELL AS IT SHOULD NOT HAPPEN TO SOMEONE.

PROBLEM IS THE WINDSHIELD. PART OF THE WHINDSHILED REFLECTS PICTURE OF THE DASHBOARD WHILE DRIVING UNDER CERTAIN SUNLIGHT CONDITION. PICTURE OF THE DASHBOARD APPEARS ON THE WINDSHIELD UNDER CERTAIN SUNLIGHT CONDATION. . THE BOTTOM OF THE WINDSHIELD WORKS LIKE A MIRROR. PICTURE GOES AND COMES DEPENDING ON THE REFLECTING OF SUNGLIGHT

MY NEW (4,000 MILES) TOYOTA COROLLA 2017 FAILED TO STOP IN A PARKING LOT. I PULLED IN A PARKING LOT OF MY APARTMENT BUILDING, BUT MY CAR FAILED TO STOP AT THE CAR STOPPER (BUMP) AND KEPT GOING. I KEPT APPLYING THE BRAKES, BUT THE CAR KEPT GOING . IT WENT THROUGH A WOODEN FENCE, I CONTINUED TO APPLY THE BAKES, BUT THE CAR DIDN'T RESPOND AND KEPT GOING UNTIL IT HITS THE WALL OF THE ADJACENT BUILDING.

PURCHASED CAR ON 04/30/17 AND SIX DAYS LATER, GOT A MALFUNCTION WARNING MESSAGE FOR THE FRONT CAMERA DURING CAR START UP. CAMERA IS PART OF THE NEW STANDARD SAFETY SENSE PACKAGE. DEALER WAS UNABLE TO CORRECT ISSUE AND ORDERED A NEW CAMERA. INDICATED THEY HAVE NOT HEARD OF ANY PREVIOUS KNOWN ISSUES WITH THE CAMERA. DEALER TOOK LONGER THAN USUAL SINCE THEY HAVE NEVER REPLACED A CAMERA BEFORE AND HAD NO CLUE HOW TO RECALIBRATE.

WHILE COMING TO A STOP AT A STOPLIGHT, A CAR COME OUT IF NO WHERE. I TRIED TO SLAM ON THE BRAKE TO COME TO A STOP FASTER BUT THE BREAKING SYSTEM DID NOT REACT TO THE PEDAL BEING PRESSED DOWN. I WAS MET WITH A STIFF PEDAL AND I COULD FEEL THE BRAKES PUSHING BACK WHICH CAUSED ME TO HIT ANOTHER CAR THAT HAD ALREADY ENTERED INTO AN INTERSECTION.

ON 3/22/17 I WAS DRIVING AN ENTERPRISE RENTAL CAR INTO AN APARTMENT COMPLEX AND PULLED IN FRONT OF THE LEASING OFFICE TO PARK. WHILE STEPPING ON THE BRAKE PEDAL THE CAR DID NOT STOP AND IT SUDDENLY ACCELERATED CAUSING THE CAR TO CRASH INTO THE PILLARS OF THE LEASING OFFICE WITH FORCE. AIRBAGS DEPLOYED AND MY PASSENGER AND I HAD TO CRAWL OUT OF THE REAR PASSENGER DOOR TO ESCAPE THE VEHICLE. WE ARE LUCKY TO BE ALIVE AND ESCAPE WITH MINOR INJURIES. THERE ARE DRAG SKID MARKS ON THE GROUND FROM THE REAR WHEELS. UPON COLLISION THE ENGINE SHUT OFF EVEN THOUGH THE KEY WAS IN THE RUN POSITION..

WHILE USING CRUISE CONTROL ON FAIRLY LEVEL ROADWAY, (RURAL ROAD) AT A SPEED OF 45 MPH, THE RPM WERE ABOUT 1500, BUT INCREASED SUDDENLY TO ABOUT 4500 RPM. AFTER AWHILE THE RPM WOULD DROP BACK DOWN TO NORMAL FOR THE SPEED SITUATION. THIS OCCURS ALSO AT HIGHWAY SPEED OF 60 MPH IN OUR AREA. THIS OCCURRENCE HAS HAPPENED MANY TIMES. HAVE RETURNED TO DEALER TWICE NOW. PROBLEM WAS OBSERVED BY SERVICE MANAGER AND LOCAL TOYOTA REP WHO WAS IN TOWN FOR LOCAL AUTO SHOW. CAR WAS ANALYZED AND DATA SEND TO ENGINEER IN CALIFORNIA WHO LATER SAID CAR IS BEHAVING NORMAL. I FOUND THAT HARD TO BELIEVE AS BOTH LOANER CARS (2017 COROLLA) DID NOT BEHAVE IN THIS DANGEROUS FASHION. I FEEL THIS QUICK BRUSH OFF BY THE ENGINEER (TANAKA) WHO IS ONLY OBSERVING DATA AND NOT HAVING TO DRIVE THIS CAR IS WRONG. I FEEL THE COMPUTER SHOULD BE ADJUSTED FOR THE CVT TO SOLVE THIS PROBLEM. WIFE DOES NOT FEEL SAFE DRIVING THIS VEHICLE. WE HAVE TAKEN 3 VIDEOS TO DOCUMENT THIS EVENT.

TL* THE CONTACT OWNS A 2017 TOYOTA COROLLA. WHILE DRIVING 40 MPH, THE CRASH AVOIDANCE SENSOR MALFUNCTIONED. THE CONTACT STATED THAT THE SENSOR DID NOT APPLY THE BRAKES OR DETECT THAT THE VEHICLE WAS TOO CLOSE TO ANOTHER VEHICLE. THE DEALER REPAIRED THE VEHICLE, BUT THE FAILURE RECURRED. THE DEALER REFRESHED THE SENSOR SOFTWARE IN THE VEHICLE, BUT THIS DID NOT CORRECT THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 800.

TL* THE CONTACT OWNS A 2017 TOYOTA COROLLA. WHILE DRIVING ON THE INTERSTATE AT APPROXIMATELY 50 MPH, THE STEERING WAS UNCONTROLLABLE AND IT FELT LIKE THE WIND WAS BLOWING THE VEHICLE. THE VEHICLE VEERED TO THE LEFT AND RIGHT AND WAS DIFFICULT TO STEER STRAIGHT AHEAD. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS DRIVEN HOME. THE DEALER WAS CONTACTED, BUT THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 155.

TL* THE CONTACT OWNS A 2017 TOYOTA COROLLA. WHILE THE VEHICLE WAS STOPPED, THE INSTRUMENT PANEL ILLUMINATED AND THE POWER SEIZED. THE VEHICLE WAS TOWED TO A DEALER WHERE THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 841. THE CONSUMER STATED THE ERROR MESSAGES READ CHARGING SYSTEM MALFUNCTION AND OIL PRESSURE LOW, ALONG WITH A MESSAGE THAT READ CONSULT OWNERS MANUAL AND TO TAKE THE VEHICLE IN FOR SERVICE. UPDATED 03/13/17.*JB

WHEN THE CRUISE CONTROL IS ENGAGED AND THE VEHICLE IS ON A DECLINE THE CRUISE CONTROL DOES NOT MAINTAIN THE SET SPEED. DEPENDING ON THE SEVERITY OF THE DECLINE THE SPEED WILL INCREASE FROM 5 TO 15 MPH. WHEN USING THE ACCELERATOR PEDAL AND MAINTAINING THE EXACT SAME PRESSURE THE VEHICLE ONLY INCREASES SPEED MINIMALLY (2 TO 3 MPH) ON THE DECLINE. WHEN IN CRUISE CONTROL THE SPEED INCREASE IS VERY DRASTIC. THE TOYOTA DEALERSHIP HAS STATED THAT THIS IS A NORMAL OCCURRENCE AND THAT THEY HAVE TESTED SEVERAL SAME MODEL AND YEAR TOYOTA VEHICLES AND ALL HAVE THE SAME SPEEDING TENDENCIES SO THIS IS NORMAL. THE DEALERSHIP STATED THAT THE FIX IS TO ENGAGE THE MANUAL TRANSMISSION MODE TO USE THE ENGINE COMPRESSION TO SLOW THE VEHICLE DOWN. I HAVE FOLLOWED THERE ADVICE AND THIS DOES NOT RECTIFY THE PROBLEM. THE CRUISE CONTROL IN ALL VEHICLES I HAVE OWNED IS USED TO MAINTAIN A CONSISTENT SPEED NO MATTER THE TERRAIN BEING TRAVERSED. THIS ISSUE HAS OCCURRED EVERY TIME WE HAVE ENGAGED THE CRUISE CONTROL ON THE VEHICLE WHILE DRIVING ON A HIGHWAY THAT HAS A DECLINE. *TR