There are 4 owner-reported driver assist & adas complaints for the 2024 Lexus RXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
When in cruise, the car will merge itself into the next lane if you hold the turn signal partially. If you keep holding it or fully engage the turn signal (maybe you forgot to turn off you signal, or held it too long), the car will merge through the solid white line off the road into a ditch. This happened to me once, and I noticed it trying several other times.
The rear backup camera does not work when put into reverse
I went to reverse the car. Suddenly, the car's automatic emergency breaking system engaged. This occurred on 2 separate occasions. The first time, was in a parking lot during a sunny day. There was definitely nothing behind me, not even a person, but the camera saw a leaf or something small, and engaged the automatic emergency brake. The second time, it was raining in the evening, the sky was dark. I went to reverse (to complete a u-turn in an empty lot). Suddenly the automatic emergency braking engaged. In both instances, if I was reversing (as part of a u-turn on a busy street, this would have been very dangerous. Please investigate this. It was very scary.
Automatic Emergency Braking 6 times on a new car has violently and suddenly engaged at low speeds. Twice in the middle of the street with no obstacles near by.
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