D Daniel Guest Apr 4, 2009 #2 Generally with an automatic you should drive in D4. Lower gears (D3, D2, etc) are used for engine braking; usually when you are going down a long/steep hill and you don't want to fade your brakes.
Generally with an automatic you should drive in D4. Lower gears (D3, D2, etc) are used for engine braking; usually when you are going down a long/steep hill and you don't want to fade your brakes.
