Lane Departure Problems of Toyota Prius

Toyota Prius owners have reported 5 lane departure related problems since 1996. Table 1 shows the 3 most common lane departure problems. The number one most common problem is related to the vehicle's assist (2 problems). The second most common problem is related to the vehicle's blind spot detection (2 problems). For details of each of the problem category, use the links in the table.

Table 1. Lane Departure related problems of Toyota Prius

Problem Category Number of Problems
Assist problems
2
Blind Spot Detection problems
2
Warning problems
1

Recently reported Lane Departure problems of Toyota Prius

The Assist problem

Since October 2023, my 2019 Toyota Prius has developed severe and unpredictable driving behavior after a regular brake service, which may have triggered or coincided with a software or ecu update. The car, which had been driving smoothly since I bought it in 2021, suddenly began showing false   Read details...

The Blind Spot Detection problem

Was driving around 35 mph and my right side mirror blew up. The back blew off and the mirror was shattered and hanging. Nothing hit it. Contacted Toyota and the parts have been on a stop, but there is no recall. It has been 4 months.   Read details...

The Warning problem

2025 Toyota Prius xle. The upgraded 12 inch infotainment flickers light then dark then back to light several times. Automatic braking is being turned off without knowledge. The Toyota cruise control and adaptive cruise control will say unavailable or see owners manual.   Read details...




Prius Service Bulletins
Prius Safety Recalls
Prius Defect Investigations