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 Division
P.O. Box 33169
Detroit, MI 48232-5169
In Canada, call 1—888—446—2000, or write:
Canadian Cadillac Customer Care
Centre, Mail Code: CA1-163-005
General Motors of Canada Limited
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
See also:
Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil.
The recommended oils with the dexos specification and displaying the dexos
certification mark are all that is needed for good performance and engine
protection.
...
Vehicle Speakers
Audio from the DVD player or an auxiliary device can be heard through the vehicle
speakers or the wireless/wired headphones, while the radio is tuned to one of the
six frequencies selected on the ...
Instrument Panel Illumination Control
The brightness of the instrument panel lights and steering wheel controls
can be adjusted.
(Instrument Panel Brightness): Move and hold the thumbwheel up or down
to brighten or dim the lights ...