Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Customer Satisfaction Procedure
Your satisfaction and goodwill are important to your dealer and to Buick. Normally,
any concerns with the sales transaction or the operation of the vehicle will be
resolved by your dealer's sa ...
Heated Steering Wheel
For vehicles with a heated steering
wheel, the button for this feature is
located on the climate control
system.
: Press to turn the heated
steering wheel on or off. A light on
the button ...
Cellular and GPS Antennas
Avoid placing items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle. ...