What's the Reason for Brake Lock and Unable to Start with One Key?

1 Answers
McFernando
07/29/25 5:42pm
Brake lock and inability to start with one key occur because the vehicle's security system defaults to assuming a theft risk when the steering wheel is turned while the engine is off, automatically activating the security lock function. Solutions for brake lock and inability to start with one key: 1. Park the car, turn off the engine, and disconnect the battery cables, then restart the vehicle after the onboard computer reboots; 2. If the issue persists, contact a 4S shop for professional repair. Steering wheel lock and failure to start might also be caused by a dead battery, commonly resulting from installing unqualified electrical devices that increase dark current after locking, draining the battery.
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