2021 Lexus RX Seat belts Problems
- Complaints
- 4about this part
- Share
- 6%of 70 total for the year
- Median mileage
- 58,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the seat belts of the 2021 Lexus RX, 6% of the 70 complaints for this model year. Where a mileage was given, the median is 58,000 miles. 3 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.
“Component or System That Failed: The rear passenger seatbelt on the right side of a 2021 Lexus RX 450h malfunctioned during a collision. It is still in the vehicle, which is available for inspection upon request. How Safety Was Put at Risk: The seatbelt failed to restrain my son, who was seated in a booster seat and weighs approximately 78 lbs. During the collision, he flew forward and struck the front passenger seat and center console with his chest and upper abdomen. …”
NHTSA complaint #11628849, filed 2024-12“Motor Vehicle accident with damage to vehicle front end and drivers side quarter panel. Vehicle was not drivable and required towing service at the scene. Front seat belts of the vehicle failed to engage resulting in the driver being bounced up in the seat and then down resulting in a serious compression fracture of the vertebrae of the spine. An inspection was completed of the vehicle by a third party and reported to the Toyota Claims department on August 19, 2022. …”
NHTSA complaint #11487212, filed 2022-09“I was involved in a single car accident in which the vehicle went off of the road hit an embankment and the vehicle bounced. The front drivers side hip and shoulder seat belt did not engage, and sustained a compression fracture to the vertebrae. The passenger front seat belt at the hip did engage with the sudden stop but the shoulder harness did not engage. The back seat passenger seat belt did fully engage and resulted in seat belt markings to the right shoulder and clavicle area of the passenger requiring evaluation at the Emergency Department. …”
NHTSA complaint #11478762, filed 2022-08Seat belts: other model years
Other parts of the 2021 Lexus RX
47 complaintsOther or unknown
7 complaintsBrakes
4 complaintsElectrical system
4 complaintsForward collision avoidance
4 complaintsBody and structure
4 complaintsEngine
2 complaintsTires
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2021 Lexus RX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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