Using ACC

The system is operated by adjustment controls mounted on the steering wheel.

The system is deactivated when the brakes are used, the gear selector is moved to a neutral position or if the accelerator pedal is depressed for a longer period. The system will change to standby mode, allowing you full manual control of the vehicle.

Note: The system may be deactivated if the clutch is depressed.

Note: If the accelerator is depressed for a short period, for example when overtaking, the system is temporarily deactivated and then reactivated when the accelerator pedal is released. ACC override is displayed in the information display.

Vehicles without speed limiter
Vehicles without speed limiter

ACC on A
ACC cancel B
ACC off C
ACC gap increase D
ACC gap decrease E

Vehicles with speed limiter
Vehicles with speed limiter

ACC on/off A
ACC cancel B
Speed limiter on/off C
ACC gap increase D
ACC gap decrease E

Switching ACC on

Press switch A. The system is set to standby mode and Standby is displayed in the information display.

Setting a speed
Setting a speed

Note: The system must be in Standby mode.

Press the SET+ switch or the SETswitch to select your desired cruise speed. The speed is displayed in the information display and stored as the set speed. The ACC indicator illuminates.

Note: Vehicle speed may be increased and decreased at intervals of 5 km/h or 5 mph. Smaller increases of 1 km/h or 1 mph may be set by pressing the RES switch.

Changing the set speed

Press the SET+ switch or the SETswitch to accelerate or decelerate.

Note: If the system does not react to these changes the reason may be that the gap interval to the vehicle in front prevents an increase in speed.

Setting the vehicle gap
Setting the vehicle gap

The distance between you and the vehicle detected in front is maintained by a variable setting. There are five steps which are represented by horizontal bars displayed in the information display. One bar denotes the smallest gap and five bars indicate the largest gap. These bars are shown empty when in standby mode and filled when in active mode.

If no vehicle is detected in front, then only your vehicle is displayed in the information display below the bars. The system will maintain the set speed when conditions permit. The set gap is maintained and displayed.

If a vehicle is detected by the sensor, the display will show another vehicle above the horizontal bars:

This is a follow mode, and the system will


This is a follow mode, and the system will accelerate or decelerate as necessary to maintain the set gap.

Press switch E to decrease the gap or switch D to increase the gap. The gap selected will be represented by the number of bars in the display. The recommended gap setting is three to five bars.

Note: The gap setting is time dependant and therefore the distance will automatically adjust with your speed. For example on a gap setting of four bars, the time gap is 1.8 seconds. This will mean that at a speed of 100 km/h (62 mph), the distance to the vehicle in front will be maintained at 50 metres (164 feet)

CAUTION:
Use the appropriate gap setting in accordance with local traffic regulations.

Cancelling ACC

Press either the brake or switch B. The system will return to standby mode but will retain the set speed and gap in the memory. The ACC indicator will go off.

Note: The system may be deactivated the clutch is depressed.

Resuming ACC

Press the RES switch. The ACC indicator illuminates and the system will resume with the previously set speed and vehicle gap setting if conditions permit.

Switching ACC off

Vehicles without speed limiter

Press switch C.

Note: Pressing switch C does not return the system to standby mode. The stored speed is not retained.

Note: To temporarily deactivate the system press switch B.

Vehicles with speed limiter

Press switch A.

Note: Pressing switch A does not return the system to standby mode. The stored speed is not retained.

Note: To temporarily deactivate the system press switch B.

Automatic deactivation

The system is dependent on various other safety systems, for example ABS and ESP. If any of these systems are malfunctioning or reacting to an emergency, the system is automatically deactivated.

In the event of automatic deactivation a signal will sound and the message ACC cancel is displayed in the information display. You must then intervene and adapt your driving and speed to vehicles in front.

An automatic deactivation can be due to the:
Х vehicle speed falling below 30 km/h (20 mph).

Х wheels lose traction.

Х brake temperature is high, for example when driving on mountainous or hilly roads.

Х engine speed is too low.

Х radar sensor is covered.

Х parking brake or electric parking brake (EPB) is applied.

If the engine speed drops too low, a message is displayed in the information display instructing you to change down a gear (manual transmission only). If you do not follow this recommendation then the system will go into automatic deactivation mode.

Note: The system will not operate if the electronic stability programme (ESP) has been manually switched off.

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