DVD Distortion
Video distortion can occur when operating cellular phones, scanners, CB radios, Global Position Systems (GPS)*, two-way radios, mobile fax machines, or walkie talkies.
It might be necessary to turn off the DVD player when operating one of these devices in or near the vehicle.
*Excludes the OnStar® System.
See also:
Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...
Using the Radio
(Power/Volume): Press to turn the system on and off.
Turn clockwise or counterclockwise to increase or decrease the volume.
(Information) (AM-FM Radio and AM-FM Radio with CD): Press to switch the ...
Engine Fan
If the vehicle has a clutched engine cooling fan, when the clutch is engaged, the fan spins faster to provide more air to cool the engine.
In most everyday driving conditions, the fan is spinning slo ...