Find a Level Place to Stop and Find the Tools You'll Need You can change a tire if you're parked on an incline, but it's much more difficult... and dangerous! So if you find yourself with a flat on a hill, DRIVE slowly to level ground. Put the transmission into "Park" (or put the gear shift into reverse if you have a manual transmission) AND SET THE HAND BRAKE. Now you're ready to go looking for the tools you'll need.	"Where's the spare? Not here."