2009 Toyota 4Runner Owners Manual - Page 194

2-4. Using other driving systems Selecting vehicle height Higher Lower Vehicle height can be adjusted only when the engine is running. The height control indicator stops blinking, and comes on continuously to indicate that the mode shift is completed. n Height modes l N mode (normal mode): For ordinary driving Normal height l HI mode (high mode): For driving on bumpy roads and through water 1.6 in. (40 mm) higher than the normal height The HI mode is unavailable when the vehicle's speed exceeds 18 mph (30 km/h). When the vehicle's speed exceeds 18 mph (30 km/h), the height will be adjusted to the normal height automatically. 170