See also:

Resuming the original route
If the route section should no longer be bypassed: 1. "Navigation" 2. "Route information" 3. "New route for:" 4. "Remove blocking" ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Winter tires
Do not drive with a tire tread depth of less than 0.16 in/4 mm. Below a tread depth of 0.16 in/4 mm, tires are less suitable for winter operation. ...