What is the difference between electronic parking brake and auto hold?
2 Answers
Electronic parking brake and auto hold mainly have the following differences: 1. Different usage methods: The electronic parking brake needs to be manually activated; while the auto hold does not require manually pressing a button, simplifying operation by avoiding the use of handbrake or electronic parking brake. 2. Different working principles: The electronic parking brake is essentially a handbrake, changing from pulling a mechanical handbrake lever to pressing a button; while the auto hold is an extended function of the electronic parking brake. 3. Different usage scenarios: The electronic parking brake is used for daily parking; while the auto hold is more suitable for stop-and-go traffic conditions in urban areas.
The electronic parking brake is just a button—you press it to lock the wheels, similar to an old-fashioned handbrake but more advanced. Auto Hold, on the other hand, automatically maintains braking when you stop, such as at red lights or on slopes. The system activates when it senses the vehicle is stationary and releases upon pressing the accelerator. The former is typically used for long-term parking release, while the latter provides temporary assistance, sparing you from prolonged brake pedal use. Both features significantly reduce driver effort, especially in modern cars: the electronic parking brake simplifies operation by eliminating the need to pull a lever, while Auto Hold ensures smooth starts and minimizes rollback risks. In terms of maintenance, the electronic parking brake involves an electric motor and cables, which may require periodic checks, whereas Auto Hold relies on brake hydraulics and has fewer failure points. It’s best to enable Auto Hold in settings to ensure proper functionality.