Rear Axle; Starter Switch Check; Automatic Transmission Shift Lock Control Function Check - GMC Chevrolet Express 2022 Owner's Manual

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Warning
Batteries have acid that can burn you and
gas that can explode. You can be hurt
badly if you are not careful.
Follow instructions carefully when
working around a battery.
Battery posts, terminals and related
accessories contain lead and lead
compounds which can cause cancer and
reproductive harm. Wash hands after
handling.
Vehicle Storage
Infrequent Usage: Remove the black,
negative ( ) cable from the battery to keep
the battery from running down.
Extended Storage: Remove the black,
negative ( ) cable from the battery or use a
battery trickle charger.

Rear Axle

When to Check Lubricant
It is not necessary to regularly check the
rear axle fluid unless a leak is suspected or
an unusual noise is heard. A fluid loss could
indicate a problem. Have it inspected and
repaired. This service can be complex. See
your dealer.
Do not directly power wash the transfer
case and/or front/rear axle output seals.
High pressure water can overcome the seals
and contaminate the fluid. Contaminated
fluid will decrease the life of the transfer
case and/or drive axles and should be
replaced.

Starter Switch Check

Warning
When you are doing this inspection, the
vehicle could move suddenly. If the
vehicle moves, you or others could be
injured.
1. Before starting this check, be sure there
is enough room around the vehicle.
2. Apply both the parking brake and the
regular brake.
Do not use the accelerator pedal, and be
ready to turn off the engine immediately
if it starts.
Vehicle Care
3. Try to start the engine in each gear. The
vehicle should start only in P (Park) or
N (Neutral). If the vehicle starts in any
other position, contact your dealer for
service.
Automatic Transmission Shift Lock
Control Function Check
Warning
When you are doing this inspection, the
vehicle could move suddenly. If the
vehicle moves, you or others could be
injured.
1. Before starting this check, be sure there
is enough room around the vehicle.
It should be parked on a level surface.
2. Apply the parking brake. Be ready to
apply the regular brake immediately if
the vehicle begins to move.
3. With the engine off, turn the ignition on,
but do not start the engine. Without
applying the regular brake, try to move
the shift lever out of P (Park) with
normal effort. If the shift lever moves
out of P (Park), contact your dealer for
service.
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Savana 2022

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