What does the R stand for in auto battery R?

Where is the front fog lamp relay sitted on 1999 xantia exclusive? What type carburetor of lite ace 5K engine model 1989? Car knocking white smoke and no power going up hills? How do you change a fuel filter on a 2003 olds alero? What does the Engine light on a 2003 Dodge Grand Caravan mean? Where can you buy in Canada ames reeleasy hose cart parts 72487? If a rear axle is bent will it make a knocking noise while driving the car? What happens when you have a bad inner cv joint? Will the trans skip if to less trans fluid? How do you disable Mercedes car alarm? Where is the 1994 ford explorer fuse box? Where is the fuse box fro the sunroof? How much sould I pay to get my upper control arms balls joints put on? When does a vacuum belt need to be replaced? How do you reset the Battery indicator light in a 1996 Saturn SL2 after I replaced the battery? Where is the trans dipstick? If an alternator is being driven by a gasoline engine how is the speed of the alternator's rotor controlled? 2001 Chrysler pt cruiser knocking noise in front and rear tires when going over bumps rear tire knocking noise is worse than front changed shocks struts but there was no change what would cause this? Is five year hyphenated? How to replace fuel pump or sending unit in 2001 Chrysler Town and Country van?