Starting and driving

Brake functions

~1min read

The vehicle's brakes are used to reduce speed or prevent the vehicle from rolling.

In addition to the wheel brakes and parking brakes, the vehicle is also equipped with a number of automatic brake assist functions. These systems provide assistance by e.g. the driver not needing to depress the brake pedal at a traffic light, when starting up a hill or when driving down a hill.

Depending on how the vehicle is equipped, the following brake assist functions may be included:

  • Automatic brake hold function
  • Hill Start Assist (Hill Start Assist)
  • Post-collision braking assistance
  • City Safety
  • Hill Descent Control (HDC)*

* Option/accessory.

Test yourself

A quick Volvo XC90 quiz: every answer comes with an explanation and a link to the manual page.