4-Wheel Ahc (Active Height Control Suspension) - Lexus LX 570 2009 Manual

2-4. Using other driving systems

4-Wheel AHC (Active Height Control Suspension)

The 4-Wheel AHC adjusts the vehicle height in accordance with driving
conditions. There are 3 selectable modes, "HI" (high), "N" (normal), and
"LO" (low).
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Easy access mode switch
Height control switch
Height select switch