Citroen C4: Starting/Switching off the engine with Keyless Entry and Start

The electronic key must be present in the passenger compartment.

If there is still a problem, refer to the "Key not detected - Back-up starting or Back-up switch-off" section.

• Starting
• Key not detected

Starting

► With a manual gearbox, place the gear lever in neutral and fully depress the clutch pedal.

► With an automatic gearbox, select mode P or N and depress the brake pedal.

► Press the "START/STOP" button while maintaining pressure on the pedal until the engine starts.

Diesel engines

With low temperatures and/or when the engine is cold, starting takes place only after the preheating warning lamp goes out.

If this warning lamp comes on after pressing the "START/STOP" button:

► Keep the pedal fully depressed and do not press the "START/STOP" button again until the engine is running at a stabilised engine speed.

In all circumstances, if one of the starting conditions is not met, a message is displayed.

In some circumstances, a message indicates that it is necessary to turn the steering wheel while pressing the "START/STOP" button to assist unlocking of the steering column.

Petrol engines

After a cold start, pre-heating the catalytic converter can cause noticeable engine vibrations, for anything up to 2 minutes (accelerated idle speed).

Hybrid engines

The vehicle always starts with the petrol engine to ensure the efficiency of the catalytic converter and the availability of the brake assist.

If the engine stalls, release the clutch pedal and fully depress it again, the engine will restart automatically.

Switching off

► Immobilise the vehicle using the parking brake.

► With a manual gearbox, ideally put the gear lever into neutral.

► With an automatic gearbox, ideally select mode P or N.

► Press the START/STOP button.

In some circumstances, it is necessary to turn the steering wheel to lock the steering column.

On certain versions with an automatic gearbox (EAT8), the steering column does not lock, but the gearbox locks in mode P.

If the vehicle is not immobilised, the engine will not stop.

With the engine off, the braking and steering assistance systems are also cut off - risk of loss of control of the vehicle! Never leave your vehicle with the electronic key still inside.

Switching on the ignition without starting the engine

With the electronic key in the passenger compartment, pressing the "START/STOP" button, without depressing any of the pedals, allows the ignition to be switched on without starting the engine.

► Press this button again to switch off the ignition and allow the vehicle to be locked.

Key not detected

Back-up starting

A back-up reader is fitted to the steering column, to enable the engine to be started if the system fails to detect the key in the recognition zone, or if the battery in the electronic key is flat.

► Place and hold the remote control against the back-up reader.

► With a manual gearbox, place the gear lever in neutral, then fully depress the clutch pedal.

► With an automatic gearbox or a drive selector, select mode P, then depress the brake pedal.

► Press the "START/STOP" button.

The engine starts.

Back-up switch-off

If 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.

► To confirm the instruction to switch off the engine, press the "START/STOP" button for approximately 5 seconds.

In the event of a fault with the electronic key, contact a CITROËN dealer or a qualified workshop.

Emergency switch-off

In case of emergency only, the engine can be switched off without conditions (even when driving).

► Press the START/STOP button for about 5 seconds.

In this case, the steering column locks as soon as the vehicle stops.

Starting / Switching off the engine with the keyStarting/Switching off the electric motor