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:

    Tachometer
    The tachometer displays the engine speed in revolutions per minute (rpm). ...

    All Terrain chassis and suspension
    Based on the chassis of the 2011 Sierra HD trucks, the All Terrain HD features a fully boxed steel frame with exceptional strength and torsional stiffness. It incorporates the production models' n ...

    CD Messages
    Optical Error: The disc was inserted upside down. Disk Read Error: A disc was inserted with an invalid or unknown format. Player Error: There are disc LOAD or disc EJECT problems. • It is very ho ...