2003 Toyota 4Runner Owners Manual - Page 147

'03 4Runner_U (L/O 0208) "HI" (high) mode- The vehicle height is about 40 mm (1.6 in.) higher at the rear than the "N" mode height. This mode is suitable when driving on the bumpy roads and through water. However, when the vehicle speed exceeds about 30 km/h (19 mph) or over in the "HI" mode, the "N" mode is automatically selected. "LO" (low) mode- The vehicle height is about 20 mm (0.8 in.) lower at the rear than the "N" mode height. This mode allows you easy access to the vehicle (getting in and out) and easy loading and unloading operation. This mode is available when the vehicle is stopped. D When selecting a mode, there is a vehicle speed limit. Refer to the following table. f = The mode can be selected.  = The mode cannot be selected. "LO" mode At vehicle stoppage Under about 30 km/h (19 mph) About 30 km/h (19 mph) or over f "N" mode f "HI" mode f NOTICE CAUTION The "HI" mode should be used for severe off-road driving condition only. As the vehicle's center of gravity is higher in this setting, the vehicle may become unstable when turning abruptly resulting in an unexpected accident. Use the "LO" mode when the vehicle is stopped. Otherwise, when the vehicle speed exceeds 10 km/h (6 mph), "N" mode is selected automatically. So be careful when you drive in any place where the overhead height is limited. (b) Vehicle height mode changing condition To change the vehicle height, it is necessary to meet the following conditions.  f f  f  However, when you are driving on bumpy roads, which may cause the suspension to fully elongate, the rear height control air suspension will not operate. D The engine should be running. D The height control "OFF" indicator light should go off. 2003 4RUNNER from Aug. '02 Prod. (OM35795U) 147