Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Managing the Vehicle DamageRepair Process
In the event that your vehicle requires damage
repairs, GM recommends that you take an active
role in its repair. If you have a pre-determined
repair facility of choice, take your vehicle there, or ...
BRAKE FLUID LOW
This message is displayed when the
brake fluid level is low. See Brake
Fluid. ...
Recreational Vehicle Towing
Recreational vehicle towing means
towing the vehicle behind another
vehicle such as a motor home. The
two most common types of
recreational vehicle towing are
known as dinghy towing and doll ...