Automotive Acronyms R

Acronym	Definition	Notes / What Is / Who Is
RAM	random access memory	Readable and writable computer memory.
RFI	radio frequency interference	electromagnetic interference, EMI
RM	relay module	Multiple relays to control a device.
ROM	read only memory	Readable only computer memory. Can not write to it or change it.
RPM	revolutions per minute	How many times a body revolves around a circle. Unit of measurement displayed to the TACH
RPO	regular production option	Three character codes that show how the vehicle is built during production. Usually a sticker located in the glove box.
RVDA	Recreation Vehicle Dealers of America	Provides news, events, seminars, and management information for RV dealers. Also features a directory of dealers and rental companies across the United States.
RVIA	Recreational Vehicle Industry Association	National trade association representing recreation vehicle (RV) manufacturers.
RWD	rear-wheel drive	Only rear wheel / wheels drive the vehicle. See FWD

Note: An Acronym is a abbreviation that is formed using the individual letter components in a phrase, name, organization or thing. Listings on this page are used throughout the automotive industry.

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