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The car's brakes are used to reduce the speed or prevent the car from rolling.
In the event of a fault in the parking brake
Contact an authorised Volvo workshop if it is not possible to release or apply the parking brake after several attempts.
Automatic braking when stationary
Automatic braking when stationary (Auto Hold) means that the driver can release the brake pedal while maintaining braking effect when the car has stopped at traffic lights or a junction.
Hill start assist
Hill start assist, Hill Start Assist (HSA), prevents the car from rolling backwards when starting on an uphill gradient. When reversing uphill, it prevents the car from rolling forwards.
Brake fluid — specifications
The medium in a hydraulic brake system is called brake fluid, and it is used to transfer pressure from e.g. a brake pedal via a master brake cylinder to one or more slave cylinders, which in turn act on a mechanical brake.
The brake assist system, BAS (Brake Assist System), helps to increase brake force during braking, thereby shortening the braking distance.
Auto braking after a collision
In the event of a collision in which the activation level is reached for the pyrotechnic seatbelt tensioners or airbags, or if a collision with a large animal is detected, the car's brakes are automatically applied. This function is to prevent or reduce the effects of any subsequent collision.
Using the parking brake
Use the parking brake to prevent the car from rolling from stationary.
Emergency brake lights
Emergency brake lights are activated to alert vehicles behind about heavy braking. The function means that the brake light flashes instead of - as in normal braking - shining with a constant glow.
The parking brake prevents the car from rolling away from stationary by means of mechanically locking/blocking two wheels.
The foot brake is used to reduce the car's speed while driving.