Dodge 2012 Challenger Owner's Manual page 373

Rear Jacking Location
5. Raise the vehicle just enough to remove the flat tire
and install the spare tire.
WHAT TO DO IN EMERGENCIES 371
WARNING!
Raising the vehicle higher than necessary can make
the vehicle less stable. It could slip off the jack and
hurt someone near it. Raise the vehicle only enough
to remove the tire.
6. Remove the lug nuts and tire.
7. Mount the spare tire.
6