See also:

Introduction
GENERAL MOTORS, GM, the GM Emblem, BUICK, the BUICK Emblem, and the name LUCERNE are registered trademarks of General Motors Corporation. This manual describes features that may or may not be ...

Auto Rear Defog
If equipped, this will allow you to turn the auto rear defog on or off. This feature will automatically turn on the rear defogger when it is cold outside. Press SELECT when Auto Rear Defog i ...

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there ...