One problem related to adaptive cruise control has been reported for the 2020 Lexus ES. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Lexus ES based on all problems reported for the 2020 ES.
I was driving on a freeway. I had my adaptive cruise control turned on. The car in front of me slowed down. My adaptive cruise control did not slow me down so I applied the breaks. The breaks did not work. The breaks did not slow me down or stop me. My pre-collision system did not activate. I collided with the rear end of the car that was in front of me. I got displays on my car screen stating "pre-collision system malfunction", "breaking power low", and "cruise control malfunction". The safety of ourselves and others definitely put the safety of ourselves and others at risk. We did not report this to the dealer. Our car was totaled. The vehicle components involved were not inspected to the best of our knowledge. The warning messages are described above. We do not know exactly when they appeared.
| Forward Collision Avoidance problems | |
| Adaptive Cruise Control problems |