Chrysler 2008 300 - Manual (Page 396)

Jack Location/Spare Tire Stowage
The jack and spare tire are both stowed under an access
cover in the trunk. Follow these steps to access the jack
and spare tire.
NOTE: The spare tire must be removed in order to
access the jack.
1. Open the trunk.
2. Lift the access cover using the pull strap.
3. Remove the fastener securing the spare tire.
Opening The Access Panel
396 WHAT TO DO IN EMERGENCIES