There are 3 owner-reported driver assist & adas complaints for the 2020 Toyota 4Runnerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2020 Toyota 4Runner. The contact stated that after starting the vehicle and reversing, the rearview camera intermittently displayed a blank image. No warning light was illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. The failure mileage was approximately 108,000.
The contact owns a 2020 Toyota 4Runner. The contact stated that while reversing, he became aware that the rear-view camera failed to display an image. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 50,000.
System malfunction—the ‘brake’ alert flashed and chirped when there was NO obstacle on the road. Safety issue—I was about to hit the brakes but I realized in time there was no need. Confirmed? No not at this time. Possibly have it reviewed at next maintenance. No inspection yet. This has occurred infrequently in the past
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026