Why Can't the Brake Pedal Be Depressed in an Automatic Transmission Car?

1 Answers
McLaura
07/30/25 7:50am
Here is an analysis of the reasons why the brake pedal cannot be depressed in an automatic transmission car: 1. The key fob battery is dead. 2. The car's vacuum booster pump has malfunctioned. 3. There is an obstruction on the brake pedal. 4. The braking system has failed. Note: If any of the above reasons occur, it is best to drive the vehicle to a repair shop or 4S store for professional inspection and repair. Additional Information: 1. For models with a push-button start, the gear must be in the P position and the brake pedal must be depressed to start the car. 2. After the engine is turned off, pressing the brake pedal multiple times will deplete the remaining vacuum in the booster pump, making the brake pedal very hard and difficult to depress during the next startup.
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