"Perpendicular spaces" refers to two areas or regions that intersect at a 90-degree angle. It indicates that the spaces are positioned in a way that creates a vertical or upright intersection. Full definition
Back into perpendicular spaces, for one. (cars.com)
Then there's also Side Assist, also standard, which provides blind spot monitoring via LED indicators on the exterior mirror housing and includes rear cross traffic assist, which supports the driver when reversing out of perpendicular space. (topspeed.com)
Our new Toyota dealership is teaching you how to park your car safely in perpendicular spaces and in parallel parking spots! (toyotaofnorthcharlotte.com)