CarComplaints.com Notes: The only area of real concern for 2010 Mazda CX-9 owners is the brake booster.
In 2014, Mazda extended the warranty on the 2007-2013 CX-9 brake booster to 7 years / 90,000 miles. However this extended warranty has expired, so buyer beware.
This Mazda CX-9 brake booster failure isn't terrible in terms of repair cost — it "only" costs $550 average to fix. However it is a safety issue when the brake booster fails as it increases stopping distance. Owners have reported having to stomp on the brake pedal, & crashes/injuries have been reported due to this CX-9 brake booster defect.
3.6
definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
35,000 miles
About These NHTSA Complaints:
This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The contact owns a 2010 Mazda Cx-9. the contact stated that while the vehicle was parked he accidentally locked the doors with the remote key and the passenger was locked in the vehicle. The doors failed to unlock manually from the inside of the vehicle. The vehicle was taken to the dealer who was unable to diagnose the failure. The manufacturer was made aware of the failure who filed a report and did not offer any additional assistance. The failure mileage was 35,000 and the current mileage was 35,572.
- Xenia, OH, USA
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A D V E R T I S E M E N T S
- Xenia, OH, USA