Thin metallic lines on a vehicle’s rear window are electrical heating elements engineered to warm the glass directly and clear frost or condensation within minutes.
Designed to distribute heat evenly, the system frequently shuts off automatically to prevent unnecessary strain on the car’s battery and electrical components.
Because these silver-colored grid lines sit on the glass surface, using metal scrapers, abrasive pads, or rough cleaning motions can easily scratch or sever them.
Wiping gently along the direction of the lines protects the system, while minor breaks can typically be restored using a simple conductive repai
