Optional Adjustment Method
WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
The height sensor may also be adjusted by using the J 34825 Height Sensor Adjustment Tool. The adjustment instructions are included with the tool.