FORD 2011 Fiesta v.3 - Manual (Page 131)

POSITIVE RETENTION FLOOR MAT
WARNING: Do not install additional floor mats on top of the
factory installed floor mats as they may interfere with the
accelerator or the brake pedals.
Position the floor mat so that the
eyelets are over the retention posts
and press down to lock in. Make
sure that the mat does not interfere
with the operation of the accelerator
or the brake pedal. To remove the
floor mat, reverse the installation
procedure.
Driver Controls
131
2011 Fiesta (fie)
Owners Guide, 3rd Printing
USA (fus)