1995 GMC Safari Owner's Manual - Page 123

... Si , You will find air vents in the center and on the sides of your instrument panel. You can move the vents to direct the flow of air, or closethe vents altogether. When you close a vent, it will increase the flow of air coming out of any vents that are open. If your vehicle doesn't have air conditioning, there is an air vent in the passenger-side kick panel below the instrument panel. The vent has a handle to open and close it. Audio Systems Your Delco@audio system 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@systemcan do 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 CIock (ET@ AM Radio) To set the clock: 1. Press the SET button. 2. Within 5 seconds, press and hold MINS until the correct minute appears on the display. 3. Press and hold HRS until the correct hour appears on me display To display the clock with the ignition off, push the upper knob. The time will be displayed for a few seconds.