Reporting Safety Defects to General Motors

In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors. Call 1-800-458-8006, or write: Cadillac Customer Assistance Center Cadillac Motor Car Division ...

Vehicle Data Recording and Privacy

This GM vehicle has a number of sophisticated computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and ...

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Programing
With the engine switched off; 1. Ensure that the ignition system is on. 2. Hold the end of the original garage door opener hand-held transmitter 2 to 6 inches (50 to 150 mm) away from the transc ...

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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 veh ...