See also:

Secondary control
For mechanically locking and unlocking the doors in the event of a fault with the central locking system or a battery failure. ...

Running out of fuel (Diesel)
On vehicle fitted with HDi engines, the fuel system must be primed if you run out of fuel; refer to the engine compartment view on the "Diesel engine" section. If the tank on your vehicle ...

Monitoring
Instrument panel A. With the ignition on, the fuel gauge needle should indicate the level of fuel remaining. B. With the engine running, its associated low level warning lamp should go off. C. ...