See also:

What to do if …
What to do if… > The current position cannot be displayed? The position is in an unrecognized region, in a poor reception area, or the system is in the process of determining the position. Rece ...

Switching on/off
Press the button. ...

Brake pedal feel
When the system brakes and you also depress the brake pedal, a somewhat different braking feel results. ...