Pre-Adjustment

Fig. 4 Air suspension switch & diagnostic pigtail location:

This procedure must be performed before checking ride height and/or wheel alignment. If vehicle is significantly warmer or colder than test area, allow it to warm or cool to surrounding air temperature before performing the following procedure.
1. Position vehicle on alignment rack, turn ignition off, then exit vehicle.
2. Re-enter vehicle and turn ignition to ``Run'' position. Do not start engine.
3. Allow vehicle to level for approximately one minute, then push trunk release to open trunk area.
4. Turn ignition ``Off'' and exit vehicle.
5. Allow vehicle to vent to trim height (approximately 20 seconds), then close all doors and turn off air suspension switch in trunk, Fig. 4.