space to slow down and stop than passenger cars. Leaving sufficient distance between your vehicle and the truck is therefore an important part of safe driving.
Not Every Flash of Light Means the Same Thing
If you see a truck flashing its headlights behind you, pay attention to when the signal occurs. If it happens immediately after you have overtaken the truck and the entire vehicle appears to have been passed, the driver may be using the signal to indicate that you have cleared the truck.
If the signal occurs at another time, however, it could mean something else. The driver might be warning you about a hazard, drawing your attention to another traffic situation, or communicating for another reason.
That is why you should never rely blindly on a single light signal. Treat it as additional information from another road user rather than as an instruction. You must still
