Access

Citroen C4 / Citroen C4 Owner's Manual / Access

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Audio settings
On/Off With the key in Drive position M, press on control A to switch the radio on or off. Note: - If the radio was on the last time you switched off the ignition, it will resume automatically ...

Reactivation
These systems are reactivated automatically each time the ignition is switched back on or from 30 mph (50 km/h). Press the "ESP OFF" button again to reactivate them manually. ...

Horn
Audible warning to alert other road users to an imminent danger. Press one of the spokes of the steering wheel. Use the horn moderately and only in the following cases: - immediate danger, - ...