Having working lights, heat and defrosters are super important for the winter. Thankfully, checking these items is a fairly simple task. For the lights, have someone sit in the car and turn off and on all the blinkers, lights and high-beams while you walk around the vehicle to make sure everything works. For the heater, just turn on the heater and make sure it quickly becomes hot while the car is running. A front defroster works by sending heated air onto the window while most rear defrosters use an electric grid and current. If you see the little lines across it's working. If there's a gap or nothing happens consult a mechanic.

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