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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Entertainment System >> Description and Operation >> Radio/Audio System Description and Operation >> Setting the Tone (Base Level) >> TREB

Setting the Tone (Base Level): TREB

  1. Slide the TREB level up in order to increase the treble response.
  2. Slide the TREB lever down in order to reduce the noise if the station is weak or noisy.