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Overdrive button

Question : WHAT is the function of O/D ( overdrive button ), L and 2nd gear position in AT cars ?

Answer : The O/D button is very much like the 5th gear in manual transmission cars where the output shaft of the transmission is rotating faster than the engine.

It is used when the vehicle is cruising at a relatively high average speed and with this gear, the engine speed is kept low in relation to the vehicle speed and so there is lower fuel consumption and less wear and tear.

L and 2 in an auto transmission are similar to 1st and 2nd gears in a manual transmission and are used when one needs to drive at a constant speed under difficult conditions and one does not want the transmission to be shifting up and down, as when driving on a winding road.

 
 

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