Toyota 2009 4runner Owner's Manual page 206

2-4. Using other driving systems
Shifting between H2 and H4
n
Shifting from H2 to H4
l
Reduce the vehicle speed to less than 62 mph (100 km/h) and turn the
four-wheel drive control switch fully clockwise.
Shifting from H4 to H2
l
Turn the four-wheel drive control switch fully counterclockwise.
This can be done at any speed.
If the four-wheel drive indicator or the 4LO indicator blinks
n
l Shifting from H2 to H4
• If the four-wheel drive indicator continues to blink, drive straight ahead
while accelerating or decelerating.
• If the four-wheel drive indicator continues to blink and the buzzer
sounds, stop the vehicle or reduce the vehicle speed to less than 62
mph (100 km/h). Operate the switch again.
Shifting from H4 to H2
l
• If the four-wheel drive indicator continues to blink, drive straight ahead
while accelerating or decelerating, or drive forward or backward in a
short distance.
Shifting to H4 or L4
l
If the 4LO indicator continues to blink when you operate the four-wheel
drive control switch to the H4 or L4 position, drive forward or backward in a
short distance, then stop the vehicle completely, shift the shift lever
securely into N and operate the switch again.
If the indicators continue to blink even if doing so, contact your Toyota dealer
as soon as possible. There may be a trouble in the four-wheel drive system.
n Four-wheel drive usage frequency (Multi-mode 4WD models)
You should drive in four-wheel drive for at least 10 miles (16 km) each
month.
This will assure that the front drive components are lubricated.
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