Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Storing the Tire Sealant and Compressor Kit
The tire sealant and compressor kit is located in the storage compartment on the driver side, at the rear of the vehicle.
1. Press down on the latch tab and pull the cover off to access the storage ...
Hands-Free Calling
1. Push System responds: “OnStar
ready.”
2. Say “Dial.” System responds: “Please say the name or number to call.”
3. Say the entire number without pausing, including a “1” and the ...
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include:
• Keep the vehicle serviced and in good shape.
• C ...