I've tried to jack up my smart but I am having difficulty trying to leave it on jack stands. There are triangles marked on the plastic molding underneath the car telling you where to jack. That part was easy. Use a floor jack and the car lifts up. However, I am stumped as how to put the car on jack stand as there's really no room to work with once you put the floor jack to jack it up properly. DO NOT TRY TO LIFT IT TO EITHER SIDE OF THE TRIANGLE. I tried to lift the car up with the floor jack just a few inches away from the triangle and it didn't take long to hear a loud pop from the plastic panel under the car to snap. The plastic piece is bend a little and I think that's the only damage there is. I wanted to take the wheels out and take them for a powder coating. Now I'm gonna to wait until someone figures out how to put it on jack stands properly.
Oh and I've search the manual and it did not tell you anywhere to jack up the car.