CITROËN C3 Handbook page 160

Driving
Key not detected
Back-up starting
A back-up reader is fitted to the steering
column to allow the engine to be started if
the system does not detect the key in the
recognition zone, or when the battery in the
electronic key is discharged.
F Place and hold the remote control against
the reader.
F If your vehicle has a manual gearbox, place
the gear lever in neutral then fully depress
the clutch pedal.
F If your vehicle has an automatic gearbox,
select position P then press the brake
pedal firmly.
F Press the "START/STOP" button.
The engine starts.
158
Back-up switch off
When the electronic key is not detected or is
no longer in the recognition zone, a message
appears in the instrument panel when closing a
door or trying to switch off the engine.
F To confirm the instruction to switch off the
engine, press the "START/STOP" button
for about five seconds.
In the event of a fault with the electronic key,
contact a CITROËN dealer or a qualified
workshop.
Emergency switch-off
In the event of an emergency only, the engine
can be switched off without conditions (even
when driving).
Press the "START/STOP" button for about five
seconds.
In this case, the steering column locks as soon
as the vehicle stops.