See also:

Automatic Door Lock
The doors are programmed to automatically lock when the shift lever is moved out of P (Park). The automatic door lock feature cannot be disabled. ...

2008 Buick Lucerne Review
The Buick Lucerne full-size sedan's biggest change for the 2008 model year is the addition of a Super trim level, which turns the Lucerne story upside down. When it made its debut in 2006, the Luc ...

Rear Door Security Locks
Your vehicle may have this feature. You can lock the rear doors so they cannot be opened from the inside by passengers. To use one of these locks do the following: 1. Open one of the rear doors. ...