Horn
To sound the horn, press the center pad on the steering wheel.
See also:
Erasing Universal Remote Buttons
All programmed buttons should be erased when the vehicle is sold or the lease ends.
To erase all programmed buttons on the Universal Remote device:
1. Press and hold down the two outside buttons u ...
New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup,
leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the
Sierra's eight-cylinder lineup benefits from ...
Satellite Radio
Vehicles with an XM™ satellite radio tuner and a valid XM satellite radio subscription can receive XM programming.
XM Satellite Radio Service
XM is a satellite radio service based in the 48 contig ...





