GMC Yukon XL Denali Owner's Manual page 414

11-4 Service and Maintenance
Check tire inflation pressures.
See Tire Pressure on
page 10 51.
Inspect tire wear. See Tire
Inspection on page 10 56.
Visually check for fluid leaks.
Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10 14.
Inspect brake system.
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care on
page 10 88.
Check restraint system
components. See Safety System
Check on page 3 25.
Visually inspect fuel system for
damage or leaks.
Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
Lubricate body components. See
Exterior Care on page 10 88.
Check starter switch. See Starter
Switch Check on page 10 29.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10 30.
Check ignition transmission lock.
See Ignition Transmission Lock
Check on page 10 30.
Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check on
page 10 30.
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. See your
dealer if service is required.
Inspect sunroof track and seal,
if equipped. See Sunroof on
page 2 21.
Check hybrid low pressure
coolant level, if equipped.