See also:

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 the key. Use the correct key, make sure i ...

Using the Directory Command
The directory command lists all of the name tags stored by the system. To use the directory command: 1. Press . ► For vehicles without a navigation system, the system responds “Ready,” f ...

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...