Heating
This mode is used to direct heated air to the foot outlets. Some air also flows from the defrost outlets and outboard vents.
1. Push the 
button to the off position for
normal heating.
2. Turn the air flow control dial to the
position.
3. Turn the fan control dial to the desired position.
4. Turn the temperature control dial to the desired position between the middle and the hot position.
See also:
Brake system
The brake system has two separate hydraulic
circuits. If one circuit malfunctions, you will still
have braking at 2 wheels. ...
Trailer brakes
If your trailer is equipped with a braking system,
make sure it conforms to federal and/or local
regulations and that it is properly installed.
Never connect a trailer brake system directly
...
Clearing the programmed information
Individual buttons cannot be cleared. However,
to clear all programming, press and hold the two
outside buttons and release when the indicator
light begins to flash (approximately 20 seconds). ...