Position Lamps: Front and Rear Sidelights Explained

What Is a Position Lamp A position lamp is a low-intensity light that marks the presence and width of a vehicle to other road users. Position lamps are the smallest, dimmest lights on any vehicle, but they are among the most important for road safety because they make a stationary or slow-moving vehicle visible in […]
Reverse Lights: How They Work, Legal Requirements, and Upgrades

What Is a Reverse Light and How Does It Work A reverse light is a white lamp fitted to the rear of a vehicle that illuminates automatically when the driver selects reverse gear. Every reverse light serves 2 functions: it lights up the area behind the vehicle so the driver can see where they are […]
Side Marker Lights: What They Are, Where They Go, and UK Requirements

What Is a Side Marker Light A side marker light is a small lamp fitted to the side of a vehicle to make its length and width visible to other road users. Side marker lights face outward from the flanks of a vehicle, not forward or rearward, and their sole purpose is passive visibility. They […]
Rear Fog Lights: UK Regulations, Fitment, and Replacement

A rear fog light is a high-intensity red lamp fitted to the back of a vehicle that makes it visible to following traffic in fog, heavy rain, snow, or spray. Every vehicle first used on or after 1 April 1980 must have at least one rear fog light under UK law. Unlike standard tail lights, […]