Toyota 2006 4runner Owner's Manual page 186

If the vehicle is moved to its usual loca-
tion or the ice is removed and the height
select switch is pressed, the
height control cannot be operated. In this
case, turn off and restart the engine, then
push the control switches.
186
vehicle
(c) Vehicle height adjustment
To change the mode, push the height
select switch on either side of " "
(higher) or " " (lower).
The height control indicator light indicates
which mode is selected. (See "(e) Height
control indicator light" described below.)
Selecting the "HI" mode—
Push the height select switch on the "
side when the vehicle speed is under
about 30 km/h (19 mph).
To change the "N" mode to "HI", push
the switch once.
'06 4Runner_U (L/O 0508)
To change the "LO" mode to "HI", push
the switch twice. It takes about 30 sec-
onds until the "LO" mode changes to the
"HI" mode.
Selecting the "N" mode—
To change the "HI" mode to "N", push
the height select switch on the " " side
once.
To change the "LO" mode to "N", push
the height select switch on the " " side
once.
Selecting the "LO" mode—
Push the height select switch on the "
side while the vehicle is stopped.
To change the "N" mode to "LO", push
the switch once.
To change the "HI" mode to "LO", push
the switch twice.
Even if the engine is stopped while the
vehicle height is being lowered, the opera-
tion continues for up to 25 seconds. If,
"
within this 25 seconds, any of the side
doors or the back door is opened, opera-
tion will continue for a further 15 seconds.
"