Languages
The vehicle can be programmed to respond in French or Spanish.
Push 
and ask an Advisor.
Advisors can speak French or Spanish.
See also:
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Driving Impressions
Cadillac's Seville was known for years as a potent road car. The STS builds
solidly upon that reputation, adding a stylish exterior and ample technology.
Smooth-riding and well-controlled on good ...
Battery Power Protection
This feature shuts off the dome lamps if they are left on for more than 10 minutes
when the ignition is in LOCK/OFF. This helps to prevent the battery from running
down. ...