What does 21 GS mean?

Is it significant if the temperature gauge stays in the middle? What would Lightning McQueen look like if he was a limo? What is a hassle free warranty? Does turtle wax have a color wax that will remove scratches on your silver colored SUV? Who at fault if a driver cut you off and stop and you hit him from behind? What is another word for pick up? Where do you put your filter on your goodman furnace? Where is the cabin air filter on a 2000 Ford E150? How many standard pallets fit on a 26' truck? 1989 Chevy van with 305 and there is no vacuum coming from the egr vacuum is good at the throttle body though what could be the cause of this? How much was gas a gallon in 1953? Why did the model T have such a dramatic impact on the economy? Where is the brake switch located on 92 Peterbilt model 377? What are the best subs you can get for not a lot of money? Will a bad oil pressure switch cause high oil pressure in a 91 jeep warngler? How much Horsepower does a school bus have? What is the five digit code for USAA in Florida? What happens if an uninsured unlicensed driver is driving your uninsured car and has an accident? Where can one find information on vintage Polaris parts? What does flhrc stand for?