: 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.