GMC Sierra
GMC Sierra

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CD/DVD
To select tracks on a CD/DVD:
Press and release or
to go to the next or previous track. ...
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 ...
Passing
More passing distance is needed when towing a trailer. The combination will not accelerate as quickly and is longer so it is necessary to go much farther beyond the passed vehicle before returning to ...





