Forward Collision Avoidance Related Problems of the 2021 Toyota Highlander

Table 1 shows three common forward collision avoidance related problems of the 2021 Toyota Highlander. The number one most common problem is related to the automatic emergency braking (eight problems). The second most common problem is related to the adaptive cruise control (two problems).

Table 1. Forward Collision Avoidance related problems of Toyota Highlander


Recently reported Forward Collision Avoidance problems of the 2021 Toyota Highlander

The Automatic Emergency Braking problem

The battery was leaking fluid, smoke was visible and rotten smell from the battery. Electrical secondary brake system came on the dashboard   Read details...

The Adaptive Cruise Control problem

Subject: transmission issue – 2021 Toyota Highlander dear NHTSA, I am reporting a serious transmission issue with my 2021 Toyota Highlander (82,000 miles). I recently took it to the dealership for an unusual noise, and they diagnosed a transmission failure, quoting over $9,000 for   Read details...

The Warnings problem

We are experiencing pcs is not working, we were driving on freeway when cars stopped suddenly and not even displaying any warning signal of �brake� on that moment, we were so close to impact a trailer, second time similar situation the next day after the first appt at service where   Read details...


Forward Collision Avoidance related problems in other Toyota Highlander model year vehicles:



Safety Ratings of Highlander Cars
Fuel Economy of Highlander Vehicles
Highlander Service Bulletins
Highlander Safety Recalls
Highlander Defect Investigations