Operating faults
If there is an operating fault, when reverse gear is engaged the service warning lamp comes on, accompanied by an audible signal (short beep) and a message on the multifunction screen.
In bad or wintry weather, ensure that the sensors are not covered with mud, frost or snow.
See also:
Passenger safety
Seat belts and front passenger's airbag
The seat belt fastened/unfastened status for each seat category is indicated
by the lighting or flashing of the warning lamps linked to each position:
...
Efficient engineering
Citroën has utilised the latest industrial technologies, along with a 'part
by part' focus on reducing the weight and number of components in new C4. For
example, the laser welding on the roo ...
Tailgate
Opening from the outside
Press upwards on lever 1 which is located between the number plate lamps.
Anti-theft security
In all cases, as soon as the vehicle is moving (at above approx. 10 km/h or 6 ...