Citroen C4: Hazard warning lamps

► Pressing this red button causes all the direction indicators to flash.

They can work with the ignition switched off.

Automatic operation of hazard warning lamps

When braking in an emergency, depending on the rate of deceleration, the hazard warning lamps come on automatically. They switch off automatically when you next accelerate.

They can be switched off by pressing the button.

Horn

► Press the central part of the steering wheel.

Pedestrian horn (Hybrid or Electric)

This system alerts pedestrians that the vehicle is approaching.

The pedestrian horn operates once the vehicle is moving and at speeds of up to 19 mph (30 km/h), in forward or reverse gear.

This function cannot be deactivated.

General safety recommendationsEmergency or assistance call