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:

    Engine Compartment Overview
    6.2L V8 Engine A. Engine Air Cleaner/Filter  . B. Coolant Surge Tank and Pressure Cap. See Cooling System  . C. Remote Positive (+) Terminal. See Jump Starting  . D. Battery  ...

    Power Lumbar
    A. Side Bolster Control B. Lumbar Support Control C. Seatback Bolster Control To adjust the lumbar support, if equipped: - Press and hold the top of the control (B) to increase support to ...

    Drivetrains
    Endowed with 202 horsepower and 191 pounds-feet of torque, the 2.5L accelerates from zero to 60 mph in roughly 7.5 seconds. It's a decent clip, but it feels poky sometimes because the car's suspen ...