GMC Chevrolet Silverado 2500 HD 2022 Owner's Manual page 395

394 Service and Maintenance
Visually inspect the fuel system including
the evaporative (EVAP) system for
damage or leaks. Visually check all fuel
pipes, vapor lines, and hoses for proper
attachment, connection, routing, and
condition.
Visually inspect exhaust system and
nearby heat shields for loose or damaged
parts.
Lubricate body components. See Exterior
Care 0 381.
Check starter switch. See Starter Switch
Check 0 327.
Check automatic transmission shift lock
control function. See Automatic
Transmission Shift Lock Control Function
Check 0 328.
Check ignition transmission lock. See
Ignition Transmission Lock Check 0 328.
Check parking brake and automatic
transmission park mechanism. See Park
Brake and P (Park) Mechanism Check
0 328.
Check accelerator pedal for damage, high
effort, or binding. Replace if needed.
Visually inspect gas strut for signs of
wear, cracks, or other damage. Check the
hold open ability of the strut. If the hold
open is low, service the gas strut. See Gas
Strut(s) 0 329.
Inspect sunroof track and seal,
if equipped. See Sunroof 0 44.
Verify spare tire key lock operation and
lubricate as needed. See Tire Changing
0 364.
Visually inspect the spare tire to ensure
that it is tightly stowed under the vehicle.
Push, pull, and try to turn the tire. If the
spare tire moves, tighten as necessary.
See Tire Changing 0 364.