Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Shifting Into Park
WARNING
It can be dangerous to get out of the vehicle if the shift lever is not fully
in P (Park) with the parking brake firmly set. The vehicle can roll. If you have
left the engine running, t ...
XM Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked
by request, by calling 1-800-929-2100 in the U.S., and 1-877-438-9677 in Canada.
XM Updating: The encryption code in t ...
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 your vehicle will
be resolved by your GM dealer’ ...