What does AT DR mean on a fuse?

Can 10w30 engine oil safely be used in place of 5w30 for a 2003 Pontiac Grand AM GT V-6? Where to buy that round plastic cover for headlight on left side? What is the name front front tire loss of traction? What type brake fluid for 1946 willys jeep? What oil filter fits a Massey Ferguson 1523? Where solenoid is located show me a diagram? What is a mechanical gas tank gauge? How high of a voltage can be used to charge a 12 V car battery? What could a clicking noise be comingfrom behind the wheel in the front end of my 1996 Chevy Blazer? Where is the fuse pull out tool in a LS 430? What is indicator lamp and how does it work? Where is the cigarette lighter in a 1999 Ford Windstar? How do you replace the alternator on a 1994 Mazda 929 V6? Should the power steering box have pressure at the cap? How do you tune up a ryobi weed eater? Fuse for radio in 2002 Chevy venture possibly blown which fuse controls this? How do you fill transmission oil in 2002 trailblazer? What kind of transmission does the 2005 Dodge Durango have? Pontiac torrent heater does not work? The front tires on your 1990 Tempo GL look like they are at a angle and your tires are getting bald on the outside very fast why?