in park

in park

Of a vehicle, having the gear stick set to "park," which keeps the vehicle in place in a manner similar to a parking brake. A: "How did the car roll forward like that?" B: "Are you sure you had it in park?" Oh yeah, you're close enough to the curb. Go ahead, put the car in park.
See also: park
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

in park

[of an automobile transmission] having the gears locked so the automobile cannot move. The driver stopped the car and placed it in park. You have to be in park in order to start this car.
See also: park
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in periodicals archive ?
Independents successful at the first attempt included Mick Saunders in Park End and Michael Hudson who by six votes took a seat from Labour in Coulby Newham.