Ford 2011 Mariner Owner's Manual page 257

WARNING: Do not attempt to change a tire on the side of the
vehicle close to moving traffic. Pull far enough off the road to
avoid the danger of being hit when operating the jack or changing the
wheel.
Note: Passengers should not remain in the vehicle when the vehicle is
being jacked.
1. Block the diagonally opposite
wheel.
2. Loosen each wheel lug nut
one-half turn counterclockwise but
do not remove them until the wheel
is raised off the ground.
Before placing the jack under the vehicle, NOTE the jack locations:
2011 Mariner (mrn)
Owners Guide, 2nd Printing
USA (fus)
Roadside Emergencies
257