Horn
Press 
on the steering wheel pad
to sound the horn.
See also:
Remote Vehicle Start
If available, this feature allows the
engine to be started from outside
the vehicle.
The button will be on the RKE
transmitter if the vehicle has remote
start.
Laws in some local communitie ...
Warranty
OnStar equipment may be
warranted as part of the new-vehicle
limited warranty. The manufacturer
of the vehicle furnishes detailed
warranty information. ...
Tire Rotation
Tires should be rotated every
12 000 km (7,500 mi). See
Maintenance Schedule.
Tires are rotated to achieve a
uniform wear for all tires. The
first rotation is the most
important.
Any time ...