Do you have to switch to neutral in an automatic transmission when parked at a traffic light or leave it in drive?
Technical Editor at CAR Magazine Nicol Louw answers this and other technical questions.
From a technical point of view it doesn't really matter if you leave it in drive or neutral, it all depends on what type of automatic transmission you have in your vehicle because there are different kinds.— Nicol Louw, Technical editor - CAR Magazine
The most common automatic transmission is the torque converter transmission. Just because of the fluid coupling, it is fluid that is being sheered, but there is no damage being done if you override it with the breaks. If we talk about the BSG type transmission, that has got twin clutches which are operated by a mechatronics unit ... sometimes it is a bit jerky which is one of negatives of a BSG.— Nicol Louw, Technical editor - CAR Magazine
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This article first appeared on 702 : Motoring: Do you need to shift to neutral when parked at a traffic light?