See also:

Door Locks (Sedan and Wagon)
WARNING! Unlocked doors can be dangerous. - Passengers, especially children, can easily open the doors and fall out of a moving vehicle. When a door is locked, the handle will not open i ...

Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, notify General Motors. Call 1-800-458-8006, or write: Cadillac Customer Assistance Center Cadillac Motor Car Divisio ...

When the Light Flashes First and Then Is On Steady
If the light flashes for about a minute and then stays on, there may be a problem with the TPMS. If the problem is not corrected, the light will come on at every ignition cycle. See Tire Pres ...