1999 Oldsmobile Cutlass Owner's Manual - Page 127

yellowblue D Keep the air path under the front seats clear of objects. This helps air circulate throughout your vehicle. AM-FM Stereo D To prevent circulation of outside air, press the RECIRCULATION button. This will close all outside outlets. 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 getting the most out of the advanced engineering that went into it. Setting the Clock Press and hold HR until the correct hour appears. The letter A or P may appear on the display for AM or PM. Then, press and hold MN until the correct minute appears. The clock may be set with the ignition on or off. Playing the Radio PWR-VOL: Press this knob to turn the system on and off. To increase volume, turn the knob clockwise. Turn it counterclockwise to decrease volume. 3-7