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Transmissions and Drivetrains

What is 1st 2nd and 3rd gear on an automatic transmission used for?

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Wiki User
July 14, 2009 2:43AM

Typically these lower "gears" are used for towing to keep the engine within a certain power band for towing (so it doesn't shift up a gear and lose power by going out of the power range at a lower rpm). Also, you should be shifting into a lower gear, say from "D" to 3 or 2 if you are riding significant downhill roads where you take advantage of engine braking and so do not have to ride the brakes and run the risk of potentially overheating your brakes (hot brakes become less effective).