:	Oct 3, 2007

: Make sure the wheels and tires, tie rod ends, suspension joints and wheel bearings are free from damage, wear and free play.

: Make sure there are no heavy objects in the vehicle.

: The ride height must be measured with the vehicle weight supported by the suspension.

: With the engine running and all vehicle doors closed, make sure the air suspension is functioning and the vehicle height can be raised and lowered using the air suspension switch.

: Drive the vehicle on to a flat, level surface.

: Make sure the steering is in the straight ahead position.

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: Make sure the vehicle is not moved once it has been positioned to take measurements.

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: Make sure the ignition switch is turned off, the park brake is on and the selector lever is in park.

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: IDS will now cause the vehicle height to change.

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