1999 Pontiac Montana Owner's Manual - Page 214

yellowblue CLN: If this message appears on the display, the cassette tape player needs to be cleaned. It will still play tapes, but you should clean it as soon as possible to prevent damage to the tapes and player. See "Care of Your Cassette Tape Player" in the Index. After you clean the player, press and hold EJECT for five seconds to reset the CLN indicator. The radio will display --- to show the indicator was reset. CD Adapter Kits It is possible to use a CD adapter kit with your cassette tape player after activating the bypass feature on your tape player. To activate the bypass feature, use the following steps: 1. Turn the ignition to RUN or ACCESSORY. 2. Turn the radio off. 3. Press and hold the TAPE/PLAY button for three seconds. The tape symbol on the display will flash for two seconds, indicating the feature is active. 4. Insert the adapter. It will power up the radio and begin playing. This override routine will remain active until EJECT is pressed. Playing the Radio POWER-VOL: Push this knob to turn the system on and off. To increase volume, turn the knob clockwise. Turn it counterclockwise to decrease volume. RECALL: Display the time with the ignition off by pressing this button. When the radio is playing, press this knob to recall the station frequency. AM-FM Stereo with Cassette Tape Player and Equalizer (If Equipped) 3-14