See also:

PRESS BRAKE TO START ENGINE (AUTOMATIC TRANSMISSION ONLY)
If the vehicle has the keyless access system, this message displays if you try to start the engine without having the brake pressed. The brake needs to be pressed when starting the engine. Se ...

Reactivation for Subsequent Owners
Push and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle. The Advisor will update vehicle records and will explain the OnStar service offers and opt ...

Using the Tire Sealant and Compressor Kit to Temporarily Seal and Inflate a Punctured Tire
Follow the directions closely for correct sealant usage. When using the tire sealant and compressor kit during cold temperatures, warm the kit in a heated environment for five minutes. This will ...