What is the automobile electronic handbrake switch
The auto electronic handbrake switch is usually located near the center console or steering wheel of the vehicle and is usually a button with the letter "P" or a circle icon. The switch replaces the traditional manipulator brake by electronic control to realize the parking brake function of the vehicle .
Usage method
Enable electronic handbrake :
Make sure the vehicle comes to a steady stop and press the brake pedal.
Press the electronic handbrake button (usually marked with a "P" or a circle icon) and the electronic handbrake will be enabled. A parking brake icon appears on the dashboard to indicate that the vehicle has been braked .
Remove the electronic handbrake :
Press the electronic handbrake button again, the handbrake is released, and the vehicle can run normally .
Working principle
The electronic handbrake system uses the electronic control unit and the motor to control the brake clamp. It relies on the friction between the brake disc and the brake pad to complete the braking, with automatic control characteristics . During driving, if the brake system fails, the control unit of the electronic handbrake will control the rear wheel brake through the wheel speed sensor signal to prevent the rear wheel from locking .
The difference between different models
Different models of the electronic handbrake system and operation may be slightly different. Some models may require pressing the up/down button to enable and disengage the electronic handbrake, while some premium models may require pulling the button towards the 'P' position or turning the knob to activate the electronic handbrake . Therefore, it is recommended to refer to the specific car owner's manual for more detailed instructions .
The main function of the automobile electronic handbrake switch is to control the vehicle's parking brake . When it is necessary to stop, the driver presses the electronic handbrake switch, and the vehicle will lock the rear wheel through the electronic control system to realize the parking brake. The specific steps are as follows:
Enable the electronic handbrake : when stopping, step on the brake pedal, press the electronic handbrake button, the dashboard will display the logo that the handbrake has been enabled, the vehicle will be steadily braking .
release electronic handbrake : when restarting the vehicle, fasten the safety belt, press the brake pedal, press the electronic handbrake button, the handbrake will be released, and the vehicle can run normally .
emergency braking : in the process of driving in an emergency situation, long press the electronic handbrake button for more than 2 seconds, can achieve the emergency braking function, there is a warning signal, release or step on the accelerator can cancel the emergency braking .
The working principle of electronic handbrake
The electronic handbrake realizes the parking brake by controlling the electronic parking brake system (EPB) by electrical signal. Its working principle is to achieve the purpose of parking braking through the friction between the brake disc and the brake pad. Different from the traditional manipulator brake, the electronic hand brake uses electronic buttons and motor components instead of the traditional control parts, through the electronic control unit to control the motor action in the caliper, drive the piston to move to produce clamping force to complete the parking .
The advantages of electronic handbrake
easy operation : the electronic handbrake use electronic button operation, the use is simpler and labor-saving, especially suitable for female drivers with less strength .
space-saving : compared with the traditional robot brake, the electronic hand brake occupies less space, and the space in the car can be rationally used .
high safety : in an emergency, the emergency braking function of the electronic hand brake can save life. Through the intervention of ABS and ESP system, the vehicle stops stably to avoid vehicle loss of control .
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