1996 Buick Riviera Owner's Manual - Page 143

Ventilation Tips Keep the hood front air inlet free of ice, snowor and any other obstruction such as leaves. heater and The of defroster will work better, reducing the chance fogging your windows. e Keep thea r path underthe front seats clearof i Rear Window Defogger The lines you see on the rear window warm the glass. Press xhe button to start warming your window. objects. This helps air to circulate throughout your vehicle. e When the engine idlesfor a long time, the exterior temperatwe sensor may cause the system to blow ar i that is too cool.Once'the vehicle is moving 'again, the system will try to maintain the set temperature inside your vehicle. Defogging and Defrosting. Use the FRONT button to quickly remove fog, frost or or ice from the windshield in extremely humid cold conditions. go After 10 minutes, the system will off but.if you need i e push thebutton again. The additional warning t m , system will then operatefor five,minutesbefore going off by itself. Select the FRONT button to defrost the windshield. By choosing this button, the ait-flow will be directed at the windshield. Adjustyour comfort levelby pressing the TEMP up-ordown arrow. The fan speed will be can controlled by the system, you change thefan speed by pressing the top of the FAN button to increase speed, of and the bottom the buttonto decrease speed. I NOTICE: Scraping the inside your rear window could of cut and'damage the heater. Your warranty would .not cover this damage. Don't put decals there,. you might have to scrape them off.