2010.5 Citroen DS4 parking brake

In the event of the electric parking brake malfunctioning or the battery running flat, an emergency manual device can release the parking brake.  Immobilise the vehicle (or keep it stationary, if the brake pedal is pressed), with the engine running, by engaging first gear (manual gearbox) or position M or R(6 -speed electronic gearbox system).
Emergency release
 Switch off the engine but leave the ignition on. If it is not possible to immobilise the vehicle, do not operate the control and contact a CITROËN dealer or a qualified workshop without delay.  Fetch the two vehicle blocks B and the release device C , located under the boot carpet.
 Immobilise the vehicle by placing the blocks in front or behind the two front wheels, opposite to the direction of the slope.  Remove the storage box under the boot carpet for access to the emergency release device.

Driving
 Pierce the protective cover D on the tube Ewith the release device.  Place the release device in the tube.  Turn the release device clockwise . For safety reasons , it is essential to continue turning the device until it reaches its stop. The parking brake is released.  Remove the release device and store it with the blocks in the toolbox under the boot carpet.
For safety reasons, after this operation it is essential to contact a CITROËN dealer or a qualified workshop without delay to replace the protective cover. Following an emergency unlocking, immobilisation of the vehicle is no longer assured once the manual emergency release has been deployed
and the manual control does not allow the re-application of your parking brake.
Take no action, either on the control lever A , or stopping star ting the engine while the release device is engaged. Take care not to allow moisture or dust
in the proximity of the protective cover.
- The operation of the parking brake reinitialises when the ignition is switched off then on again. If the reinitialisation of the parking brake proves impossible, contact a CITROËN dealer or a qualified workshop. - The subsequent time required for application may be longer than during normal operation.

Operating faults
If the electric parking brake fault warning lamp comes on together with one or more of the warning lamps p resented in these tables, place the vehicle in a safe condition (on level ground, gear engaged) and contact a CITROËN dealer or a qualified workshop with out delay.
SituationsConsequences
Display of the message " Parking brake fault " and of the following warning lamps: - The automatic functions are deactivated. - Hill star t assist is not available. - The electric parking brake can only be used manually.
Display of the message " Parking brake fault " and of the following warning lamps: - Manual release of the electric parking brake is only available by pressing the accelerator pedal and releasing the control. - Hill star t assist is not available. - The automatic functions and the manual applicatio n are still available.
Display of the message " Parking brake fault " and of the following warning lamps: - The automatic functions are deactivated. - Hill star t assist is not available.

197Driving
SituationsConsequences
To apply the electric parking brake:  immobilise the vehicle and switch off the ignition.  pull the control for at least 5 seconds or until app lication is complete.  switch on the ignition and check the switching on of the electric parking brake warning lamps. The application is slower than during normal operati on. To release the electric parking brake:  switch on the ignition.  pull the control and hold it for approximately 3 seconds then release it. If the braking warning lamp is flashing or if the warning lamps do not come on with the ignition on, these procedures will not work. Pla ce the vehicle on level ground and have it checked by a CITROËN dealer or a qualified workshop.
and possibly
flashing
Display of the message " Parking brake fault " and of the following warning lamps: - Only the automatic application on switching off the engine and automatic release on acceleration functions are available. - The manual application/release of the electric p arking brake and the emergency braking are not available.
and possibly
flashing
Battery fault - If the battery warning lamp comes on you must st op immediately as soon as the traffic allows. Stop and immobilise your vehicle (if necessary, place the two chocks under the wheels). - Apply the electric parking brake before switching off the engine.

Manual parking brake
Applying
 Pull the parking brake lever fully up to immobilise your vehicle.
Releasing
 Pull the parking brake lever up gently, press the release button then lower the lever fully.
When parking on a slope, direct your wheels against the kerb, apply the parking brake, engage a gear and switch off the ignition.
When the vehicle is being driven, if this warning lamp and the STOPwarning lamp come on, accompanied
by an audible signal and a message in the multifunction screen, this indicates that the parking brake is still on or has not been properly released.

Gear lever positions
N. Neutral R. Reverse 1, 2, 3, 4, 5, 6. Gears in manual mode. AUTO. This comes on when the automatic mode is selected. It switches off on changing to manual mode.
Displays in the instrument panel
 Place your foot on the brakewhen this warning lamp flashes (e.g.: when star ting the engine).
Moving off
N flashes in the instrument panel, accompanied by an audible signal and a message in the multifunction screen, if the gear lever is not in position N on star ting. Foot on brake flashes on the instrument panel, accompanied by an audible signal and a message in the multifunction screen, if the brake pedal is not pressed on star ting.
 Select position N .  Press the brake pedal down fully.  Star t the engine.
Engagement of reverse gear is accompanied by an audible signal.
N appears in the instrument panel screen.
 Select first gear (position M or A ) or Areverse (position R ). R Release the parking brake unless it is programmed to automatic mode.  Take your foot off the brake pedal, then accelerate.
AUTO and 1 or R appear in the instrument panel screen.

Stopping the vehicle Operating fault
With the ignition on, the flashing of AUTO , accompanied by an audible signal and a message in the multifunction screen, indicates a malfunction of the gearbox. Have it checked by a CITROËN dealer or a qualified workshop.
You must press the brake pedal when star ting the engine. Whatever the circumstances, you must manually apply the parking brake when parking, unless the parking brake is programmed in automatic mode. When immobilising the vehicle, with the engine running, you must place the gear lever in neutral N . Before carrying out any work in the engine compar tment, check that the gear lever is in neutral N and that the parking brake is applied.
Before switching off the engine, you can choose to: - move to position N to engage neutral,
- leave the gear engaged; in this case, it will not be possible to move the vehicle. In both cases, you must apply the parking brake to immobilise the vehicle.

205Driving
System which keeps your vehicle immobilised temporarily (approximately 2 seconds) when star ting on a gradient, the time it takes to move your foot from the brake pedal to the accelerator pedal. This function is only active when: - the vehicle is completely stationary, with your foot on the brake pedal, - when certain conditions of gradient are met, - with the driver’s door closed. The hill star t assist function cannot be deactivated.
Hill start assist
On an ascending slope, with the vehicle stationar y, the vehicle is held for a brief moment when you release the brake pedal: - provided you are in first gear or neutral with a manual gearbox, - provided you are in position A or M with the electronic gearbox system.
Operation
Operating fault
If a fault occurs with the system, these warning lamps come on. Contact a CITROËN dealer or a qualified workshop to have the system checked.
Do not leave the vehicle while it is being held in the hill star t assist phase. If you need to leave the vehicle while the engine is running, apply the parking brake manually then ensure that the parking brake warning lamp is on (not flashing) in the instrument panel.
On a descending slope, with the vehicle stationar y and reverse gear engaged, the vehicle is held for a brief moment when you release the brake pedal.