R
R&R - Remove and Replace
R/A - Resume or Accelerate
R/T - Road/Track
RABS - Rear Antilock Brake System
RAC - Remote Accessory Controller
RAM - Random Access Memory; Remote Anti-theft Module; Ride Air Module
RAP - Retained Access Power
RAV - Remote Activation Verification
RBC - Rotary Blade Coupling
RCC - Rear Climate Control; Remote Climate Control
RCDLR - Remote Control Door Lock Receiver
RDCM - Right Door Control Module
RDM - Rear Door Module
RDS - Radio (broadcast) Data System; Radio Display System
REC - Receive
RECAL - Recalibrate; Recalibration
RECIS - Remote Entry Control and Immobilizer System
REDOX - Reduction Oxidation Catalytic Converter
REEGR - Rotary Electric EGR
REF - Reference
RESC - Remote Emergency Satellite Unit
REX - Rear Exchanger
RF - Radio Frequency; Right Front
RFA - Remote Function Actuator
RFF - Roller Finger Followers
RFI - Radio Frequency Interference
RFID - Radio Frequency Identification
RFWS - Right Front Wheel Speed
RH - Right Hand
RIM - Radio Interface Module; Rear Integration Module
RKE - Remote Keyless Entry
RLY - Relay
RM - Relay Module
RMD - Right Mid Door
ROM - Read Only Memory
RPA - Rear Parking Assist
RPM - Remote Power Module; Revolutions Per Minute
RPO - Regular Production Option
RR - Rear-engine Rear-wheel drive; Right Rear
RRD - Right Rear Door
RSA - Rear Seat Audio
RSC - Roll Stability Control
RSS - Reverse Sensing System; Road Sensing Suspension
RT - Right
RTC - Real Time Clock
RTD - Real Time Dampening
RTN - Return
RTT - Reconfigurable Telltale
RTV - Room Temperature Vulcanizing
RV - Recreational Vehicle
RVAC - Rear Video/Audi/HVAC Module
RVP - Reid Vapour Pressure
RWAL - Rear Wheel Anti-lock
RWD - Rear Wheel Drive
RWS - Rear Wheel Steer