FORD 2009 Flex v.1 - Manual (Page 208)

The tether strap anchors in your vehicle are in the following positions
(shown from top view):
• 40/40 second row seats and
third-row passenger side
• 60/40 second row seats and
third-row passenger side
Attach the tether strap only to the appropriate tether anchor as shown.
The tether strap may not work properly if attached somewhere other
than the correct tether anchor.
Once the child safety seat has been installed, using either the safety belt,
the lower anchors of the LATCH system, or both, you can attach the top
tether strap.
2009 Flex (471)
Owners Guide (post-2002-fmt)
USA (fus)
Seating and Safety Restraints
208