1998 GMC Envoy Owner's Manual - Page 141

Audio Systems Your Delco Electronics audio system has been designed to operate easily and give years of listening pleasure. You will get the most enjoyment out of it if you acquaint yourself with it first. Find out what your Delco Electronics system can do and how to operate all its controls, to be sure you're gettingthe most out of the advanced engineering that went into it. AM-FM Stereo with Cassette Tape Player Setting the Clock Press and hold HR until the correct hour appears on the display. Press and hold MN until the correct minute appears on the display. To display the clock with the ignition off, press RECALL or HR/MN and the time will be displayed for a few seconds. There is an initial two-second delay before the clock goes into the time-set mode. Included with the AM-FM Stereo with Cassette Tape Player are six Base@ high performance speakers and a six channel Bose amplifier. Please see your dealer for details. Playing the Radio PWR-VOL: Press this knob to turn the system on and off. To increase volume, turn the knob to the right. Turn it to the left to decrease volume. The knob is capable of being rotated continuously. REAR DSPL: When the primary radio is turned on, press this button to turn the rear seat audio display on. Press it again to turn the rear seat audio display off. 3-8