RST stands for Rally Sport Truck, a sporty appearance package offered by Chevrolet on several truck and SUV models. It features blacked-out exterior elements, unique wheels, and a street-oriented style rather than off-road capability.
The ‘boat sign’ in a car is a colloquial term for the tire pressure monitoring system (TPMS) warning light, which resembles a cross-section of a tire with an exclamation mark. It alerts the driver that one or more tires are significantly underinflated, potentially affecting safety, fuel economy, and tire lifespan.
R/T stands for Road/Track, a performance trim level used by Dodge on various models since 1967. It indicates enhanced engine power, suspension, and styling compared to standard versions.
A regional driver is a commercial vehicle operator who works within a specific geographic area, typically returning home more frequently than long-haul drivers. This role balances mileage accumulation with regular home time, serving as a middle ground between local and over-the-road positions. Definitions vary by company but generally involve multi-state routes within a defined region.
A straight pipe refers to an exhaust system modification that removes the muffler, resonator, and catalytic converter, allowing exhaust gases to flow directly from the engine to the tailpipe. This results in a louder exhaust note and may slightly increase engine power, but it often violates noise and emissions regulations.
A flashing tire pressure light indicates a malfunction in the Tire Pressure Monitoring System (TPMS), not low tire pressure. It requires professional diagnosis to restore proper system function.
In diesel engine terminology, ‘studded’ refers to replacing factory head or main bolts with high-strength studs to achieve greater clamping force. This modification is commonly performed on high-performance or modified diesel engines to prevent head lift and gasket failure under increased cylinder pressures.
TTL in automotive contexts usually refers to the Truck Trailer Light circuit or, in some cases, a Transmission Temperature Light. The abbreviation appears on dashboards and in wiring diagrams, and its exact meaning depends on the vehicle’s documentation.
MMR in cars typically refers to “Market Market Retail,” a term used in the automotive industry to indicate a vehicle’s estimated retail value based on market data. It is commonly used in vehicle appraisal, auctions, and pricing strategies.
ESV stands for ‘Escalade Stretch Vehicle’ and designates the extended-length version of the Cadillac Escalade. It offers additional cargo space and third-row legroom compared to the standard model.