Citroen C6 2008 1.G Repair Manual

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A U T O M A T I C G E A R B O X
The engine can only be started when the lever is at position P or N.
A safety device ensures that starting is impossible in the other positions.
After starting the engine, with selector on P, depress the brake pedal then shift the selector to D, R or M:D for automatic mode.
R for reverse gear.M to change to manual mode.
The change from position D (driving in automatic mode) to position M (driving in sequential mode) or vice versa can be made at any time.

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A U T O M A T I C G E A R B O X
AUTOMATIC FORWARD DRIVE
The gearbox always selects the gear best adapted to the following parameters:Style of driving.
Road profi le.Vehicle load.
In this way the gearbox operates without the need for your i ntervention.
For certain manoeuvres (for example overtaking), it is possible to ob tain maximum acceleration by pressing hard down on the accelerator pedal , which may trigger automatic changedown to a lower gear.
Remarks:During braking, the gearbox may kick down automatically in order to offer an effective engine brake.
If you suddenly lift your foot off the accelerator, the gearbox will guard your safety by not changing up again.

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A
A U T O M A T I C G E A R B O X
OPERATION IN SPORT OR SNOW AUTOMATIC MODE
With the lever on D, press button A to select any of the driving modes SPORT, SNOW or NORMAL.
NORMAL mode is selected by default when you start the engine. This driving mode is designed for the more usual types of drivin g conditions.
No warning lamp will light up in the instrument panel.
SNOW mode is for a more cautious driving style on slippery roads.
The warning lamp in the instrument panel is lit up.
SPORT mode is for more responsive driving, to provide maximum performance and acceleration.
The warning lamp in the instrument panel is lit up.
Remark: The driving mode selected before you switched off the engin e will be retained the next time you start up.
Flashing of the warning lamp for the position requested signals that this position has not yet been reached. When the warning lamp is permanent, the position is confi rmed .
If there is an operating fault:A sharp hesitation may be felt when you select R for reverse gear.
The gearbox is stuck in a gear.
Do not exceed 100 km/h (62 mph).
Consult a CITROËN dealer as soon as possible.

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C
C R U I S E C O N T R O L
SELECTION OF CRUISE CONTROL
This driving assistance function allows you to drive at the speed of your choice without the need to action the accelerator.
Cruise control is available in the higher gears only, for speeds greater than 40 km/h (24 mph).Note: Information relating to the cruise control is displayed in zone A of your instrument panel.
To activate cruise control, press button 1 to display in zone Aof your instrument panel the symbol C for cruise control.
The cruise speed is then memorised. The cruise speed will be displayed in zone A in the instrument panel.
At the time you select the function, no cruise speed has yet been memorised.
TO SELECT A CRUISE SPEED
Accelerate to the desired speed, then give a short press on button 3 or button 4.
You can then release the accelerator pedal. The vehicle will automatically keep to that chosen speed.Note: The vehicle speed may vary slightly from that memorised.
Temporary override of the cruise speed
While cruise control is in operation, it is always possible to go above the cruise speed simply by pressing the accelerator pedal (for example to over-take another vehicle). The speed displayed fl ashes. You have only to release the accelerator pedal to return to your cruise speed.Note: If during cruise control the system cannot keep to the cruise speed (e.g. on a steep descent), then the speed fl ashes. If necessary, brake to curb your speed.

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C R U I S E C O N T R O L
These actions bring up the information "OFF" in the instrument panel.
Adjustment of the memorised speed while cruise control is in operation
To adjust the memorised speed, displayed in zone A, press:Button 3 to increase the speed or
Button 4 to decrease the speed.
Remark: Successive presses will allow to modify the speed in steps of 1 km/h (1 mph) and a continuous press in steps of 5 km/h (3 mph).
Deactivation of cruise control with memorised speed
You can deactivate cruise control:Either by pressing the brake pedal or the clutch pedal.
Or by the ESP or ASR systems being active.
Or by pressing button 2.Note: Cruise control is deactivated if the gear lever is in neutral (position N).

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B
S P E E D L I M I T E R
SELECTION OF THE SPEED LIMITER
To select the speed limiter, press on button 1 to display in zone A of your instrument panel the symbol B for the speed limiter.
The last speed memorised is also displayed.
TO ADJUST THE MAXIMUM SPEED
Provided the engine is running, you can select your maximum speed, with short or long presses on:Button 3 to increase the speed or
Button 4 to decrease the speed.
Remark:
Successive presses will allow to modify the speed in steps of 1 km/h (1 mph) and a continuous press in steps of 5 km/h (3 mph).
ACTIVATION OF THE MAXIMUM SPEED
When the desired maximum speed is displayed, press button 2 to activate the speed limiter.

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S P E E D L I M I T E R
DEACTIVATION
To deactivate the maximum speed, press button 2.
The information "OFF" will appear in the instrument panel.
This action does not cancel the memorised speed, which remains displayed in the instrument panel.
TEMPORARY OVERRIDE OF THE MAXIMUM SPEED
The accelerator pedal has a switch at the end of its travel. By pressing the pedal hard down to activate this switch at any time you can go faster than the memorised maximum speed.
During the time the limit speed is being exceeded, the disp layed speed fl ashes.
You have only to release the accelerator pedal to return belo w the maximum speed, to restore the function.Note: If during speed limitation the system cannot keep to the maximu m speed (especially on a steep descent or if you accelerate too hard), the speed fl ashes. Adapt your speed as necessary.
The function will re-engage when your speed has returned below the desired maximum.
TO CANCEL THE FUNCTIONGive a long press on button 1.
Or stop the engine.
The speed that you chose is memorised. The information disappea rs from the instrument panel.
If there is a malfunction, the memorised speed will fl ash and the warning lamp "OFF" will come on permanently in the display.
Contact a CITROËN dealer.

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E L E C T R O N I C S T A B I L I T Y P R O G R A M M E
The ESP system offers increased driving safety but is not in place to encourage the driver to take addi-tional risks or to drive at excessive speeds.
The functioning of this system is subject to compliance with the manufacturer’s recommendations on wheels (tyres and rims), brake parts and electronic components, as well as with the assembly and repair procedures approved by CITROËN.repair procedures approved by repair procedures approved by
After any collision, have this system checked by a CITROËN dealer.After any collision, have this system After any collision, have this system
ELECTRONIC STABILITY PROGRAMME (ESP) AND TRACTION CONTROL (ASR)
These systems are closely associated with ABS and additional to it. In the event of a loss of control of the vehicle by the driver, the ESP system acts automatically on one or more wheels and also on the engine to bring the vehicle back on trajectory. The ASR system optimises traction and prevents wheel spin by acting on the brakes of the driving wheels as well as on the engine. It also improves steering stability during acceleration.
OPERATION
When either the ESP or the ASR system is brought into operation the warning lamp "ESP/ASR" fl ashes.
DEACTIVATION
In exceptional conditions (vehicle stuck in snow, soft ground, e tc.) it may prove useful to deactivate the ESP/ASR systems to allow the wheels to spin and thus regain traction.
Press on button A, the "ESP/ASR" warning lamp, as well as the lamp on the button A, light up. The ESP/ASR systems are no longer active.
The ESP/ASR systems will activate again:Automatically after the ignition has been switched off.Automatically when you drive at above approx. 50 km/h (approx. 30 mph).
Manually with another press on button A.
OPERATIONAL ANOMALY
Should there be a system malfunction, the "ESP/ASR" warning lamp will light up.
Contact a CITROËN dealer to have the system checked.

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B R A K E S
ABS system
The ABS system enhances your safety by preventing the wheels from locking in the event of sudden braking or in conditions of poor road adherence. It enables you to retain control of the steering.
The functioning capability of all the electrical components essential to the ABS is monitored electronically before and during your journey. The ABS warning lamp lights up when you switch on the ignition: it should go out after a few seconds.
If the monitoring warning lamp does not go out, that means that the ABS has disconnected because there is a fault. Also, the fact that the monitoring warning lamp comes on durin g the journey shows that the ABS system is inactive. In both cases, the normal braking system remains effi cient, exactly a s on a vehicle without ABS. However, in order for the security associated with the correct functioning of the ABS to be restored, the vehicle should be examined as soon as possible by a CITROËN dealer.for the security associated with the correct functioning of the ABS to be restored, the vehicle should be examined as for the security associated with the correct functioning of the ABS to be restored, the vehicle should be examined as
On roads with poor adherence (chippings, snow, ice etc.), it is always imperative to drive with prudence.
SYSTEM OF EMERGENCY BRAKING ASSISTANCE
The emergency braking assistance system helps you to attain the requ ired braking pressure more rapidly, thus to reduce the stopping distance. It operates as a function of the speed of action on the brake pedal, decreasing the resistance to this action. To prolong this action of the emerg ency braking assistance system, simply keep your foot on the brake pedal.
If the Electronic Parking Brake is off, the lighting of this wa rning lamp in conjunction with the STOP warning lamp indicates that the brake fl uid level is low or that the braking distributor is malfunctioning. It is essential to stop the vehicle. Contact a CITROËN dealer as soon as warning lamp indicates that the brake fl uid level is low o r that the braking distributor warning lamp indicates that the brake fl uid level is low or that the braking distributor
possible.

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E L E C T R I C P A R K I N G B R A K E
OPERATION
To park
With the vehicle stationary, operate the parking brake by pulling then releasing the control A.Note:In all circumstances with an automatic gearbox, select the Park position P.
On steep gradients, turn the steering towards the pavement.It is not possible to release the electric parking brake if the key is removed or in position S.

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