GMC 2013 Sierra Owner's Manual page 472

11-4 Service and Maintenance
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. See Exterior Care on
page 10 91.
Check restraint system
components. See Safety System
Check on page 3 19.
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 91.
Check starter switch. See Starter
Switch Check on page 10 32.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10 32.
Check ignition transmission lock.
See Ignition Transmission Lock
Check on page 10 32.
Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check on
page 10 33.
I n f o r ma t i o n P r o v i d e d b y :
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 (Crew
Cab) on page 2 21 or Sunroof
(Extended Cab) on page 2 20.
Check hybrid low pressure
coolant level, if equipped.
Verify spare tire key lock
operation and lubricate as
needed. See Tire Changing on
page 10 72.