See also:

Repair Facility
GM also recommends that you choose a collision repair facility that meets your needs before you ever need collision repairs. Your dealer may have a collision repair center with GM-trained technicians ...

Radio Messages
Calibration Error: The audio system has been calibrated for the vehicle from the factory. If Calibration Error displays, it means that the radio has not been configured properly for the vehicle and i ...

Setting the Tone (Bass/Midrange/Treble) (All Except AM-FM Radio and Radio with CD)
BASS/MID/TREB (Bass, Midrange, or Treble): To adjust the bass, midrange, or treble: 1. Press the knob until the tone control tabs display. 2. Highlight the desired tone control tab by doing one of ...