There are 1 stored owner reports matching the brakes leading-label group for the 2026 Rivian R1S in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)The contact owned a 2026 Rivian R1S. The contact stated that while at a red light and idled, the vehicle accelerated violently, and the vehicle was uncontrollable. The contact depressed the brake pedal; however, the vehicle failed to stop as intended. The contact's vehicle crashed into another vehicle and damaged the rear corner bumper of the other vehicle. The vehicle then crashed into a median strip where there was a 5-foot boulder. The contact stated that the vehicle crashed into a five-foot boulder, and the vehicle was damaged. In addition, the contact stated that the failure occurred when the accelerator pedal was depressed while leaving from a red light stop sign. The vehicle was towed to a local tow yard. The contact sustained bumps and bruises. In addition, the contact received whiplash to the right side of her neck and scratches from the air bag deploying. The contact's six-year-old granddaughter, who was seated in the rear seat, received no injuries. A Police report was filed. The contact stated that the failure was very scary, and the only thing that worked in the vehicle was the steering wheel. The manufacturer was made aware of the failure but provided no assistance. The contact was informed that the information retrieved from the computer system indicated that the accelerator pedal was activated, and the brake pedal was depressed for six seconds. The failure mileage was approximately 977.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.