1995 GMC Sonoma Owner's Manual - Page 119

You can move the vents to direct the flow of air, or close the vents altogether. When you close a vent, it increase the flow of air coming out will of any vents that are open. Audio Systems Your Delco@ audiosystem has been designed to operate easily and give years of listening pleasure. But you will get the most enjoyment out of it if you acquaint yourself with it first. Find out what your Delco@system do can and how to operate all its controls,to be sure you're getting the most out of the advanced engineering that went into it. Setting the Clock (Audio Systems without a Compact Disc) To set the clock: 1. Press the SET button. 2. Within 5 seconds, push and hold SEEK until the correct minute appears on the display. 3. Press and hold SCAN until the correct hour appearson the display. To display the clock with ignition off, push the upper knob. The time the will be displayed for a few seconds. Setting the Clock (Audio Systems with a Compact Disc) To set the clock: 1. Press the SET button. The radio may be on oroff. 2. Within 5 seconds, press and hold either SEEK correct minute appears on the display. or 4 SEEK until the 3. Press and hold SCAN until the correct hour appearson the display. 3-5