Workshop Repair and Service Manuals GMC SIERRA
Articles

Introduction

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 display between the...
Adjusting the Speakers (Balance/Fade) (All Except AM-FM Radio and Radio with CD)      BAL/FADE (Balance/Fade): To adjust the balance or fade: 1. Press the knob until the speaker control tabs display. 2. Highlight the desired speaker control tab by doing one of the following: • Press the knob. •...
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 the following: •...
Setting the Tone (Bass/Treble) (AM-FM Radio and AM-FM Radio with CD)      To adjust the bass or treble: 1. Press the knob until Bass or Treble displays. 2. To adjust the setting, do one of the following: • Turn the knob. • Press either SEEK, or SEEK. • Press either FWD, or...
Adjusting the Speakers (Balance/Fade) (AM-FM Radio and AM-FM Radio with CD)      To adjust the balance or fade: 1. Press or press the knob until the speaker control label displays. 2. To adjust the setting, do one of the following: • Turn the knob. • Press either SEEK, or SEEK. •...
Operation      AM-FM Radio Radio with CD (MP3) Shown; Radio with USB and CD (MP3), Radio with USB and Six-Disc CD (MP3), and Radio with CD Similar Radio with USB, CD, and DVD (MP3) The vehicle has one of these...
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 it must be returned to...
Radios with CD and DVD      Vehicles with a USB, CD, and DVD radio have a Bose® Surround Sound System. Some of its features are explained later in this section, “Adjusting the Speakers (Balance/Fade).” Vehicles with a USB, CD, and DVD radio may have a...
Theft-Deterrent Feature      TheftLock® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a different vehicle.
Infotainment      Determine which radio the vehicle has and read the following pages to become familiar with its features. WARNING Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you...