4HI: Use 4HI when you need extra traction, such as on
snowy or icy roads or in most off-road situations. This
setting also engages your front axle to help drive your
vehicle. This is the best setting to use when plowing snow.
Indicator lights in the switches show which setting you
are in. The indicator lights will come on briefly when
you turn on the ignition and one will stay on. If the
lights do not come on, you should take your vehicle to
your dealer for service. An indicator light will flash
while shifting the transfer case. It will remain
illuminated when the shift is complete. If for some
reason the transfer case cannot make a requested shift, it
will return to the last chosen setting.
4LO: This setting also engages your front axle and
delivers extra torque. You may never need 4LO. It sends
maximum power to all four wheels. You might choose
4LO if you are driving off-road in deep sand, deep mud,
deep snow and climbing or descending steep hills.
If the SERVICE 4WD light stays on, you should take
your vehicle to your dealer for service. See “Service
4WD” in the Index for further information.
CAUTION:
Shifting to 4HI or AUTO 4WD
Shifting the transfer case to NEUTRAL can
cause your vehicle to roll even if the transmission
is in PARK (P). You or someone else could be
seriously injured. Be sure to set the parking
brake before placing the transfer case in
Press and release the 4HI or AUTO 4WD switch. This
can be done at any speed (except when shifting from
4LO), and the indicator light will flash while shifting.
It will remain illuminated when the shift is completed.
NEUTRAL. See “Parking Brake” in the Index.
Shifting to 2HI
Press and release the 2HI switch. This can be done at
any speed (except when shifting from 4LO).
NEUTRAL: Shift the vehicle’s transfer case to
NEUTRAL only when towing your vehicle. See
“Recreational Vehicle Towing” or “Towing Your
Vehicle” in the Index for more information.
2-26
| Categories | GMC Manuals, GMC Yukon Manuals |
|---|---|
| Model Year | 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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