2021 Porsche Cayenne Seat belts Problems
- Complaints
- 1about this part
- Share
- 5%of 21 total for the year
- Median mileage
- 14,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the seat belts of the 2021 Porsche Cayenne, 5% of the 21 complaints for this model year. Where a mileage was given, the median is 14,000 miles.
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.
“The contact owns a 2021 Porsche Cayenne. The contact stated that while driving at various speeds, the front driver's side seat belt independently tightened and loosened. The emergency light illuminated, and a seat belt warning chime sounded continuously. The vehicle was taken to a local dealer, where it was diagnosed that the seat belt assembly needed to be replaced. The vehicle was not repaired and remained at the local dealer. The manufacturer was notified of the failure. The failure mileage was approximately 14,000.”
NHTSA complaint #11760839, filed 2026-08, 14,000 milesRelated service bulletins
- 11030913Mar 11, 2026Symptom based workshop manual involving the Belt Lock Warning on Driver's Side Permanently Active in Conjunction with Fault Memory Entry with Regard to Belt Lock Switch…
Seat belts: other model years
Other parts of the 2021 Porsche Cayenne
6 complaintsOther or unknown
5 complaintsAir bags
4 complaintsEngine
3 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsSteering
2 complaintsTransmission and drivetrain
2 complaintsBack-over prevention (rear camera)
1 complaintsFuel system
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2021 Porsche Cayenne
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