Some common questions

For vehicles with automatic lights or wipers, these generally look like a camera lens from the outside and is around or built into the rearview mirror.

Vehicles with heated windscreens have very faint lines barely visible from top to bottom and usually have a button near to the heated rear window switch.

These windscreens have a built-in sunstrip across the top of the glass which fades out gradually, the colour of the strip can be blue, bronze, green or light grey.

A system, which warns the driver when a white line is crossed without indicating. Most make an audible sound or vibrate the steering wheel to warn the driver.

A system where images of information are projected onto the inside of the windscreen such as speed or sat nav directions.