Toyota 2009 4runner Owner's Manual page 200

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.
Do not select LO mode when driving on bumpy roads.
n
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.
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