There are 1 stored owner reports matching the speed control & cruise leading-label group for the 2015 Scion xB 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)TWICE MY CAR UNEXPECTEDLY ACCELERATED. THE FIRST TIME, MY CAR WAS IN REVERSE, AND MY FOOT WAS ON THE BRAKE. THE ENGINE SUDDENLY REVVED. I PUT THE CAR IN PARK AND TURNED IT OFF. THE SECOND TIME, I WAS IN DRIVE WITH MY FOOT ON THE BRAKE. THE ENGINE SUDDENLY REVVED. I PUT THE CAR IN PARK AND TURNED IT OFF. NEITHER TIME DID MY CAR MOVE. I TOOK THE CAR TO THE DEALERSHIP. THEY FOUND NOTHING WRONG. BECAUSE I NO LONGER FELT SAFE, I SOLD THE CAR BACK TO THE DEALERSHIP. THE CAR HAD APPROXIMATELY 2,200 MILES ON IT. THE CAR COST ABOUT $18,000. THE DEALER BOUGHT IT BACK FOR $12,000.
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.