The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Check the tire inflationpressure regularly
Check and, if necessary, correct the tire inflation
pressure at least twice a month and before starting
on a long trip.
Low tire inflation pressure increases rolling resistance
and thus raises f ...
Switching the reception on/off
1. "Navigation"
2. Open "Options".
3. "Receive Traffic Info" ...
Automatic update
About twice a year, Sirius performs an update of
the channel names and positions. The update
takes place automatically and may take several
minutes. ...
