2026 Rivian R1S Vehicle speed control Problems
- Complaints
- 2about this part
- Share
- 14%of 14 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 2 complaints about the vehicle speed control of the 2026 Rivian R1S, 14% of the 14 complaints for this model year. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was involved in an incident where the vehicle (R1S 2026) accelerated unexpectedly, struck the car in front of me and the brakes were unresponsive at the time. The car only stopped after crashing.”
NHTSA complaint #11713145, filed 2026-01“Driver was making a left hand turn and as the turn was initiated the driver had no control of the vehicle. The vehicle system took over driving, causing substantial damage to the vehicle. Weeks leading up to the incident, the display and certain systems were not responding or provided errors. Following a reset each time, the vehicle would be operational.”
NHTSA complaint #11742583, filed 2026-06Vehicle speed control: other model years
Other parts of the 2026 Rivian R1S
3 complaintsLatches, locks and linkages
3 complaintsBrakes
2 complaintsElectrical system
2 complaintsFuel system
2 complaintsSteering
2 complaintsBody and structure
2 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2026 Rivian R1S
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology