2009 Toyota 4Runner Owners Manual - Page 198

2-4. Using other driving systems NOTICE n Be careful in any place where overhead space is limited. When changing to a higher mode or after unloading, the vehicle height will rise. This may cause damage to the vehicle. n Do not select LO mode when driving on bumpy roads. If the underbody of the vehicle touches a rugged road surface, the vehicle may be damaged. n Do not change the vehicle height frequently. The compressor might overheat and cause the operation to stop. n When on the extremely uneven roads with rocks Sometimes the vehicle height is not adjusted because it is judged as uneven road driving. 174