2001 GMC Sierra 1500 Pickup Owner's Manual - Page 206

In addition to the four stations already set, up to three more stations may be preset on each band by pressing two adjoining buttons at the same time. Just: 1. Tune in the desired station. 2. Press SET. (SET will appear on the display.) 3. Press two adjoining buttons at the same time, within five seconds. Whenever you press the same two buttons, the station you set will return. 4. Repeat the steps for each pair of pushbuttons. P.SCAN: Select either AM, FM1 or FM2 mode and press both SEEK buttons to scan through each of your preset stations. The system will scan through and play each preset station stored on your pushbuttons for a few seconds. Press either SEEK button or RECALL to stop scanning through the preset stations. Setting the Tone BASS: Slide this lever up or down to increase or decrease bass. TREB: Slide this lever up or down to increase or decrease treble. If a station is weak or noisy, you may want to decrease the treble. Adjusting the Speakers BAL: Turn the control behind the upper knob to move the sound to the left or right speakers. The middle position balances the sound between the speakers. FADE: Turn the control behind the lower knob to move the sound to the front or rear speakers. The middle position balances the sound between the speakers. Playing a Cassette Tape Your tape player is built to work best with tapes that are up to 30 to 45 minutes long on each side. Tapes longer than that are so thin they may not work well in this player. Once the tape is playing, use the knobs for VOLUME, BAL, FADE, BASS and TREB just as you do for the radio. REV: Press the SEEK left arrow to reverse the cassette tape. Press the SEEK right arrow to stop reversing the tape. FWD: Press the SEEK right arrow to advance the cassette tape. Press the SEEK left arrow to stop forwarding the tape. RECALL: Press this knob to switch tape sides. 3-19