Retained Accessory Power (RAP)
Your vehicle has a Retained Accessory Power (RAP) feature which lets certain features of your vehicle to continue to work up to 20 minutes after the ignition key is turned to LOCK.
The radio, power windows, the overhead console and the sunroof, if the vehicle has one, work when the ignition key is in RUN or ACCESSORY.
Once the key is turned from RUN to LOCK, these features continue to work for up to 20 minutes, or until a door is opened.
See also:
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
Detroi ...
Traction Control System (TCS)
The traction control system limits
wheel spin. The system turns on
automatically every time the vehicle
is started.
• To turn off traction control, press
and release the Traction Control
...
Satellite Radio
Vehicles with an XM™ satellite radio tuner and a valid XM satellite radio subscription
can receive XM programming. ...