Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push an Advisor can run a check., and an Advisor can run a check.

    See also:

    Headphones
    A. Battery cover B. Channel 1 or 2 switch C. Power button D. Volume control E. Power indicator light RSE includes two 2-channel wireless headphones. Channel 1 is dedicated to the DVD playe ...

    Fuel E85 (85% Ethanol)
    Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasolin ...

    Manual Operation of Power Liftgate
    To change the liftgate to manual operation, turn the mode selector switch to OFF. With the power liftgate disabled and all of the doors unlocked, the liftgate can be manually opened and clo ...