Cadillac 2006 STS - Manual (Page 126)

Vehicle Customization
Personalization
Your vehicle is equipped with personalization that allows
you to program certain features to a preferred setting for
up to two people. Features such as driver position, door
lock personalization, passenger window personalization,
chime personalization, driver information center, remote
lock and unlock confirmation, suspension system
configuration, and remote start climate control settings
can be personalized.
Language
Your vehicle’s system may have one of the following
language menus:
5-2