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 Advisor can run a check., and an Advisor can run a check.

    See also:

    Traveling to Remote Areas
    It makes sense to plan your trip, especially when going to a remote area. Know the terrain and plan your route. You are much less likely to get bad surprises. Get accurate maps of trails and terrai ...

    Reporting Safety Defects toGeneral Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, we certainly hope you will notify us. Please call us at 1-800-521-7300, or write: Buick Customer Assistance Cente ...

    Services Provided
    • Emergency Fuel Delivery: Delivery of enough fuel for the vehicle to get to the nearest service station. • Lock-Out Service: Service to unlock the vehicle if you are locked out. A remot ...