If a fault is diagnosed in the system, such as e.g. failure of the
high-pressure sensor, the fuel-supply control
valve is de-energized; the fuel then flows via a so-called bypass into the rail.
In the event of HPI limp-home mode, turbocharging is deactivated by an opening
of the wastegate valves.
Principle
Pre-conditioning cools or heats the car's interior
prior to departure to a comfortable temperature.
The system automatically cools, vents, and heats
depending on the interior, external, and set temperature.
Snow and ice may be removed more
easily.
The system starts the engine automatica