Yes, those rear-window lines can pull double duty. Depending on the manufacturer, they may be part of a separate electrical circuit used for things like radio antennas or even keyless entry systems.

There are many features on a car that have a clear purpose (even if it seems like some people don’t know what the stick on ...

The Reason Cars Have Lines on the Rear Windshield. According to Motor Biscuit, the lines you see on a vehicle’s rear windshield are actually called secondary defrosters.

Glass is a vital component of any car. It’s how we’re able to glance up at the road from our phones without our faces getting blasted with wind. If someone drives enough, they’ll become very aware of ...

Defrosters clear condensation from windows and melt frost, ice and snow. They work differently depending on whether they are for the windshield or the rear window.