See also:

Ignition Positions (Key Access)
Ignition Positions (Key Access) The ignition switch has four different positions. Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break t ...

Automatic Dimming Rearview Mirror with OnStar® and Compass
Your vehicle may have an automatic-dimming rearview mirror with a compass and the OnStar® system. There are three additional buttons for the OnStar® system. See your dealer for more informatio ...

Customer Assistance for TextTelephone (TTY) Users
To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user can comm ...