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Indicator lights in the switches show which setting your
transfer case is 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 the transfer case is being shifted. 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.
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.
Shifting to 4HI or AUTO 4WD
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.
Shifting to 2HI
Press and release the 2HI switch. This can be done at
any speed (except when shifting from 4LO).
Shifting to 4LO
To shift to 4LO, the ignition must be in RUN and the vehicle
must be stopped or moving less than 3 mph (4.8 km/h) with
the transmission in NEUTRAL (N). The preferred method
for shifting into 4LO is to have your vehicle moving 1 to
2 mph (1.6 to 3.2 km/h). Press and release the 4LO switch.
You must wait for the 4LO indicator light to stop flashing and
remain illuminated before shifting your transmission in gear.
If the 4LO switch is pressed when your vehicle is in
gear and/or moving, the 4LO indicator light will flash
for 30 seconds and not complete the shift unless your
vehicle is moving less than 3 mph (4.8 km/h) and the
transmission is in NEUTRAL (N). After 30 seconds the
transfer case will return to the setting last chosen.
Shifting Out of 4LO
To shift from 4LO to 4HI, AUTO 4WD or 2HI your vehicle
must be stopped or moving less than 3 mph (4.8 km/h) with
the transmission in NEUTRAL (N) and the ignition in RUN.
The preferred method for shifting out of 4LO is to have your
vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and
release the 4HI, AUTO 4WD or 2HI switch. You must wait
for the 4HI, AUTO 4WD or 2HI indicator light to stop
flashing and remain illuminated before shifting your
transmission into gear.
Summary of Contents for 2001 Sierra 1500 Pickup
Page 1: ......
Page 163: ...2 80 The Instrument Panel Your Information System ...
Page 332: ...5 26 Front Position 2WD 1500 Series Front Position All Other Models ...
Page 335: ...5 29 Front Position 2WD 1500 Series Front Position All Other Models ...
Page 418: ...6 76 ...
Page 432: ...Scheduled Maintenance Gasoline Engines 7 7 ...
Page 433: ...Scheduled Maintenance Gasoline Engines 7 8 ...
Page 454: ...7 29 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...
Page 455: ...7 30 Maintenance Record DATE ODOMETER READING SERVICED BY MAINTENANCE PERFORMED ...