CITROEN C5 X 2021 Handbook page 16

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Instruments
Identify the cause of the fault using the message
displayed on the instrument panel.
You may be able to deal with some faults
yourself, such as changing the battery in the
remote control.
For other faults, such as with the tyre under-
inflation detection system, carry out (3).
Fixed, accompanied by the display of a
message.
One or more major faults, for which there is/are
no specific warning lamp(s), have been detected.
Identify the cause of the fault using the message
displayed on the instrument panel, then carry
out (3).
Fixed, accompanied by the message
"Parking brake fault".
Automatic release of the electric parking brake is
unavailable.
Carry out (2).
Malfunction (with electric parking brake)
Fixed, accompanied by the
message "Parking brake fault".
The vehicle cannot be immobilised with the
engine running.
If manual application and release commands are
not working, the electric parking brake control
lever is faulty.
The automatic functions must be used at all
times and are automatically re-enabled in the
event of a control lever fault.
Carry out (2).
14
Fixed, accompanied by the
message "Parking brake
fault".
The parking brake is faulty: manual and
automatic functions may not be working.
When stationary, to immobilise the vehicle:
► Pull and hold the control lever for
approximately 7 to 15 seconds, until the indicator
lamp lights up on the instrument panel.
If this procedure does not work, secure the
vehicle:
► Park on a level surface.
► With an automatic gearbox, select P, then
place the supplied chocks against one of the
wheels.
Then carry out (2).
Automatic functions deactivated (electric
parking brake)
Fixed.
The "automatic application" (on switching
off the engine) and "automatic release" (on
acceleration) functions are deactivated.
If automatic application/release is no longer
possible:
► Start the engine.
► Use the control to apply the parking brake.
► Take your foot fully off the brake pedal.
► Hold the control pressed in the release
direction for between 10 and 15 seconds.
► Release the control.
► Depress and hold the brake pedal.
► Pull the control in the application direction for
2 seconds.
► Release the control and the brake pedal.
Braking
Fixed.
A minor fault with the braking system has
been detected.
Drive carefully.
Carry out (3).
Anti-lock braking system (ABS)
Fixed.
The anti-lock braking system has a fault.
The vehicle retains conventional braking.
Drive carefully at moderate speed, then carry
out (3).
Engine self-diagnostic system
Flashing.
The engine management system has a
fault.
There is a risk that the catalytic converter will be
destroyed.
You must carry out (2).
Fixed.
The emissions control system has a fault.
The warning lamp should go off when the engine
is started.
Carry out (3) without delay.
Fixed.
A minor engine fault has been
detected.
Carry out (3).

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