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.

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    Services Specific to Canadian-Purchased Vehicles
    - Fuel Delivery: Reimbursement is approximately $5 Canadian. Diesel fuel delivery may be restricted. Propane and other fuels are not provided through this service. - Lock-Out Service: Vehicl ...

    Brakes
    Brakes stop the vehicle and are crucial to safe driving. - Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. - Trained dealer technicians have ...

    Starter Switch Check
    WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room ...