1998 Pontiac Grand Prix Owner's Manual - Page 191

Cassettes are subject to wear and the sound quality may degrade over time. Always make sure the cassette in tape is good condition before you have yourtape player serviced. Backglass Antenna(If Equipped) Your AM-FM antenna is integrated with your rear window defogger, locatedin the rear window. Be sure that the inside surface of the rear window is not scratched and that the lines on the glass are notdamaged. If the inside surface is damaged,it could interferewt radio reception. ih Care of Your Compact Discs Handle discs carefully. Store them in their original cases or other protective cases and away from direct sunlight and dust. If the surfaceof a disc is soiled, dampena clean, soft cloth in a mild, neutral detergent solution and clean it, wiping from the center to the edge. NOTICE: Do not try to clear frost other material from or the insideof the rear window with a razor blade or anything else that sharp. This may damage is the rear defogger grid and affect your radio's ability to pick stations clearly. The repairs up wouldn't be covered your warranty. by Because this antenna is built into your rear window, there is a reduced risk of damage caused by car washes and vandals. If you choose to add cellular telephone to your vehicle, a and the antenna needs to be attached to the glass, be sure that you do not damage the grid lines for the AM-FM antenna. Thereis enough space between the lines to attach a cellular telephone antenna without interfering with radio reception. Be sure neverto touch the signal surface when handling discs. Pick up discs by grasping the outer edges the or edge of the hole and the outer edge. Care of Your Compact Disc Player The use ofCD lens cleaner discsis not advised, due to of the riskof contaminating the lens the CD optics with lubricants internal to the mechanism. CD Fixed Mast Antenna The fixed mast antenna can withstand most washes car without being damaged. the mast should ever become If slightly bent, you can straighten out by hand. the mast is it If badly bent, as it might be by vandals, you should replace it. Check every once in while tobe sure the mast still a is tightened to the rear quarter panel. 3-32