Consistency of Readings

Always check the fluid level at least twice using the procedure described previously. Consistency (repeatable readings) is important to maintaining proper fluid level. If readings are still inconsistent, contact the dealer.

    See also:

    How to Add Coolant to the Coolant Surge Tank for Gasoline Engines
    If the vehicle has a diesel engine, see “Cooling System” in the Duramax Diesel Supplement for the proper coolant fill procedure. WARNING You can be burned if you spill coolant on hot engine part ...

    Lower Anchor and Top Tether Anchor Locations
    Rear Seat (Top Tether Anchor): Seating positions with top tether anchors. (Lower Anchor): Seating positions with two lower anchors. The rear outboard seating positions have exposed metal anch ...

    Security Light
    The security light should come on briefly as the engine is started. If the system is working normally, the indicator light turns off. If it does not come on, have the vehicle serviced by your dealer ...