1994 Buick Roadmaster Owner's Manual - Page 139

NOTICE: Before you add anysound equipment to your vehicle like a tape player, CB radio, mobile telephone or two-way radio be sure you can add whatyou want. Ifyou can, it's very important to do it properly. Addedsound equipment may interfere w'ith the operation of your vehicle's engine, Delco@ radio or other systems, and even damage them. And,your vehicle's systemsmay interfere with the operation of sound equipment that hasbeen added improperly. So, before adding sound equipment, checkwith your dealer and be sure to check Federalrules covering mobile radio and telephone units. How To Operate Your Audio System To Play This Radio -- -- The Upper Knob The upper knob does these things: It turns the system on and off. It controls the volume. The volume knob increases volume when rotated clockwise. It will display the time when pushed. 137