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 ...

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.

Those lines across your car's rear windshield aren't just stylish racing stripes or the remnants of peeled window tint, they're actually a vital component of your car's window defrosting system.If ...

Interestingly, there is a cut line seemingly for where a rear window could be, but Polestar tells us that the 4 won't have a rear window in any market.