Guides

A rocker panel is the stamped steel or composite structural component running along the bottom edge of a vehicle between the front and rear wheel.

An RFID (Radio Frequency Identification) tag in a car is a small chip that uses radio waves to transmit a unique ID to a reader.

Rev matching is a manual driving technique where the driver briefly blips the throttle during a downshift to raise the engine RPM to match the lower.

Residual value on a car lease is the vehicle’s predicted worth at lease end, set as a percentage of MSRP.

Rental car insurance is optional coverage from a rental company that covers damage, theft.

Redlining a car means revving the engine to its maximum safe RPM, marked by the red zone on the tachometer.

Your car’s MPG is a measure of how far it can travel on one gallon of fuel, combining official EPA estimates for city and highway driving.

A recond car is a used vehicle, often imported, that has been professionally repaired, inspected, and detailed to near-new condition for resale.

Your car tag number is the alphanumeric sequence on your license plate, distinct from the 17-character VIN.

A car recall is a safety notice issued when a manufacturer or NHTSA determines that a vehicle or its equipment creates an unreasonable risk.