Owner Checks and Services
At Each Fuel Stop
○ Check the engine oil level. See Engine Oil on page 10‑10.
Once a Month
○ Check the tire inflation pressures. See Tire Pressure on page 10‑51.
○ Inspect the tires for wear. See Tire Inspection on page 10‑57. . Check the windshield
washer fluid level. See Washer Fluid on page 10‑23.
See also:
Filling the Tank
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
WARNING
Fuel vapor burns violently and a fuel fire can cause bad injuries.
To help avoid injuries to you ...
XM Categories
XM stations are organized in categories.
To customize which XM categories are used and displayed in the system, see “Adding
or Removing XM Categories” following. ...
Exterior Lamp Controls
The exterior lamps control is located on the instrument panel to the left of the steering wheel.
It controls the following systems:
• Headlamps
• Taillamps
• Parking Lamps
• License Pla ...





