The contact owns a 2020 Toyota Highlander. The contact stated that upon the depression of the brake pedal, the vehicle would intermittently surge forward without warning. The contact stated that he would shift the vehicle into neutral to stop the vehicle from surging. The contact also stated that the blind spot monitor's unavailable warning message would intermittently appear on the instrument panel. The contact had taken the vehicle to Bayside Toyota and Waldorf Toyota and each dealer was unable to duplicate or diagnose the cause of the failure. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 21,000.
2020 Toyota Highlander driver assistance complaints
Page 2 of 2: complaints 11 to 14 of 14, newest first, as owners wrote them.
The lane keeping assist does not work properly on my vehicle. The lane keeping assist does not keep my car in the center of the lane as intended. For instance, it very forcefully makes the car drift to the left and right of the lane and frequently pulls it into the other lane. I have reported this to my local dealership - Sparks Toyota in Myrtle Beach, SC and Toyota Corporate. Sparks Toyota service has admitted that there are many customer complaints about this issue. They have stated that there is a software download "fix" in the works, but not yet available. I did not take their word for this and called Toyota Corporate. The only "solution" I have been offered is an offer to show me how to turn the feature off. This is totally unacceptable as the is an important safety feature that does not work properly and in fact, creates an unsafe situation while driving. Since my report of the issue, I have been made aware of an owners Facebook forum that other owners state they are having the same issue and seems to be a widespread problem.
Blind spot monitoring is not working. Took it to dealership thy said it needed re-calibration but it still doesn't see semi trucks. My wife accidentally ran another women off road because she trusted this toyota system. System is currently still working intermittently.
Highlander le 2020 car has a big safety issue.when I turn off engine with gear changer in d position the gear goes in n neutral position while still in d position without giving any alert noise.I parked my car in 3rd floor of a public parking where the floor had slop, and turned off engine in d position by mistake and started reading an email in my cellphone without looking outside of car. The car didn't give any alert noise saying that the car is turned off in d position.my wife and son had exited the car and were waiting for me to exit while I was reading my email in my cellphone.I heard my wife and son screaming " stop the car" stop the car" when I looked outside and saw that the car was rolling back towards other parked cars. I stoped the car and turned on engine and moved car forward and shifted the stick to p position. I was really suprised why this car didn't give any alert noise that the car was rolling back when engine was turned off in d position. This issue was going to be a bad disaster for me if my wife and son hadn't screamed to let me know that the car was rolling back on 3rd floor of a public parking.the only alert I noticed in that time was a small pop up on dashboard without any noise. I called toyota corporation and they said that there is no any problem with my car and that this car doesn't have any safety problem.for sure sooner or later this will be a bad disaster for some car owners of this model. I don't have peace of mind when my wife drives this car with my kids inside. Please solve this big safety issue for me as toyota corporation doesn't accept this issue as a safety issue. The toyota dealer service manager said that this problem is software problem and must be reported to toyota corporation, but corporation says that there is not any problem. Even 1980's or 1990's car when you turn off the engine in d position the car gives noise alert.
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