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Home >> Land Rover >> 2007 >> Range Rover (LM) V8-4.2L SC >> Repair and Diagnosis >> Cruise Control >> Cruise Control Switch >> Description and Operation
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Cruise Control Switch: Description and Operation



Control Switches







The speed control switches are located on the RH (right-hand) side of the steering wheel. The switches are connected via flyleads directly to the clock spring. All of the speed control switches are non-latching momentary switches.

The minimum set speed for speed control is 17 mph (27 (km/h), the maximum set speed is 155 mph (250 km/h). Speed control is automatically switched off if the vehicle speed falls below 15 mph (24 km/h).

On/Suspend/Off Switch
The on/suspend/off switch controls the selection of speed control. When the ignition is in position II, a single press of the switch will activate the speed control system. A subsequent press of the switch activates the suspend mode, which temporarily switches off the speed system, but retains the previously set speed in the ECM (engine control module) memory. A third press of the switch switches off the whole speed control system.

Accelerate/Decelerate (+/-) Switches
When the speed control system is active, pressing the '+' switch set the controlled speed to the current road speed of the vehicle. Subsequent momentary presses of the switch increase the set road speed by 0.6 mph (1 km/h) with each press. If the switch is pressed and held the road speed will continue to increase until the switch is released.

Momentarily pressing the '-' switch, decreases the set speed by 0.6 mph (1 km/h) with each press. If the switch is pressed and held, the set speed is decreased until the switch is released.

Resume Switch
The resume switch re-activates the previously set speed after the speed control has been suspended by pressing the suspend switch or by depressing the brake pedal.
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