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

See also:
Brake Energy Regeneration: an energy-saving innovation.
The new BMW 5-Series sedan continues the roll-out of BMW's Brake Energy
Regeneration system on US models. To save energy and reduce the vehicle's fuel
consumption over time, this system manages th ...
Requirements
▷ The mobile phone is suitable.
▷ The mobile phone is ready for operation.
▷ Bluetooth is activated in the vehicle and on
the mobile phone.
▷ Bluetooth presettings may nee ...
Notes
Steam jets or high-pressure
washers
When using steam jets or high-pressure
washers, hold them a sufficient distance away
and use a maximum temperature of 140 ℉/
60 ℃.
Holding th ...
