Chevrolet 2005 Tahoe Owner's Manual page 122

Shifting Into 4LO
To shift to the 4LO position, 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).
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.
Notice: Shifting the transmission into gear before
the 4LO indicator light has stopped flashing could
damage the transfer case. To help avoid damaging
your vehicle, always wait for the 4LO indicator light
to stop flashing before shifting the transmission
into gear.
If the 4LO button 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.
When in 4LO, StabiliTrak
For more information see StabiliTrak
page 4-11.
2-34
®
is automatically disabled.
®
System on
Shifting Out of 4LO
To shift from 4LO to all-wheel drive, 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. Press and release the all-wheel drive button.
You must wait for the AWD indicator light to stop
flashing and remain illuminated before shifting your
transmission into gear.
If the All-Wheel Drive button is pressed when your
vehicle is in gear and/or moving, the All-Wheel Drive
indicator light will flash for 30 seconds but will not
complete the shift unless your vehicle is moving less
than 3 mph (4.8 km/h) and the transmission is in
NEUTRAL (N).