Pull the switch.

The LED lights up.

The indicator lamp lights up in red. The parking brake is set.

Lower lamp: indicator lamp in Canadian models

Set the parking brake and further secure the vehicle as required
Set the parking brake firmly when parking; otherwise, the vehicle could roll. On steep upward and downward inclines, further secure the vehicle, for example, by turning the steering wheel in the direction of the curb. ◀

While driving

Use while driving serves as an emergency braking function:

Pull the switch and hold it. The vehicle brakes hard while the button is being pulled.

The indicator lamp lights up in red, a signal sounds and the brake lamps light up.

Lower lamp: indicator lamp in Canadian models

If the vehicle is braked to a speed of approx.

2 mph/3 km/h, the parking brake remains set.