The signal lights, or turn lights, are parts of the tail lamp assembly. Usually yellow in color because of regulatory standards, these indicate whether the vehicle is going to turn right or left. They are also used during times of emergency. The reverse lights are also parts of the tail lamp assembly to indicate if the vehicle is backing up. The reverse lights automatically turn on when the driver puts the vehicle in reverse shift. These lights often have the highest illumination in the tail lamp assembly but not as bright as the head lights.
The park light in the tail lamp assembly signals the drivers behind that there's a presence of another vehicle whenever it is dark, foggy or rainy weather. It is also used as a brake light. The park light usually has the highest part in the assembly which turns on as the driver steps on the brakes.
To go for that "Euro" look on your vehicle, the Euro tail light sports the look found in various elite, high-class European imported cars. Aside from adding that distinct feature, Euro tail lights enhances the prestige on your vehicle compared to a stock tail light assembly. It is also easy to install. This is the kind of quality Euro tail lights have been known for.