Horn
Press 
on the steering wheel
pad to sound the horn.
See also:
OnStar® Services
For new vehicles equipped with OnStar®, the Safe
& Sound Plan, or the Directions & Connections®
Plan is included for one year from the date of
purchase. You can extend this plan beyond th ...
Tire Pressure Monitor Operation
This vehicle may have a Tire
Pressure Monitor System (TPMS).
The TPMS is designed to warn the
driver when a low tire pressure
condition exists. TPMS sensors are
mounted onto each tire and whe ...
Sum greater than pieces
This LaCrosse just glided through the hills and country roads around Milford
— home to GM's proving grounds — where I test drove it.
There were a few times, if you really stepped on the gas, t ...