Parking Brake; Shifting From 4Lo To 4Hi Or 2Hi - GMC SIERRA 1998 Manual

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Shifting from 4LO to 4HI or 2HI
To
shift from 4LO to 4HI or 2H1, your vehicle must be
stopped or moving less than
3
mph (4.8
k m / h )
with the
transmission in
NEUTRAL (N).
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
switch. You must wait for the 4HI indicator light to stop
flashing and remain illuminated before shifting your
transmission into gear.
If the 4HI switch is pressed when your vehicle is in gear
and/or moving, the 4HI indicator light will flash
for
30 seconds but will not complete the shift unless the
vehicle is moving slower than
3
mph (4.8 km/h) and the
transmission is in NEUTRAL (N).
Parking Brake
To
set the parking brake, hold the regular brake pedal
down with your right foot. Push down the parking brake
pedal with your left foot.
If the ignition is on, the brake system warning light will
come on.
To release the parking brake, hold the regular brake
pedal down.
Pull the lever, located
just above the parking
brake pedal, marked
BRAISE
RELEASE.
If the ignition is on when the parking brake is released,
the brake system warning light will go off.
NOTICE:
Driving with the parking brake on can cause
your rear brakes to overheat. You may have to
replace them, and you could also damage other
parts of your vehicle. Always check
to be sure
your parking brake is fully released before
you drive.
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