It also allows a repo man to take your car without the key. I have a buddy who does repos for a living and he said cars without this feature make his job much harder that it already is.nissanpartsnow wrote:The shift lock button is used in case, say, your battery dies or the car doesn't have any power, if the car has to be towed, the little cover pops off so that you can put the car in neutral for towing. Hope this helps.