Your Impreza is the definition of trustworthy. Don't break that trust by not giving your vehicle the care it needs. A little red ALT light signifies a failing alternator. A failing alternator eventually means a dead battery, unless you get a Subaru Impreza replacement alternator from AutoAnything.
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Alternators have many moving parts that get dirty and are subject to stress from heat and cold. Over time the internal parts begin to wear. There are several ways to diagnose a failing alternator. When you turn your key on but don't start the car, a red battery light should come on. If this bulb is burned out, your car may start but you are simply draining your battery because, chances are, the alternator is not working. Fix this problem easily with a Subaru Impreza replacement alternator from AutoAnything. Enjoy our 1-Year, Lower Price Guarantee.