1995 Buick Park Avenue Owner's Manual - Page 228

NOTICE: If you need a new cap, be sure to get the right type. Your dealer can get one for you. If you get the wrong type, may notfit or have proper it tank and emissions system venting, and your fuel might be damaged. Be carefd not to spill gasoline. Clean gasoline from painted surfaces as soonas possible. See "Cleaning the Outside of Your Buick" in the Index. When you put the cap back on, turn it to the right until you hear at least threeclicks.