Britax Poplar Guide D'utilisation page 11

Incompatible Vehicle Seat Belts
Vehicle seats and seat belts differ from vehicle to
vehicle. Refer to your vehicle owner's manual for
specific information about your vehicle seat belts and
their use with child restraints.
The following types of vehicle seat belts are NOT
compatible with this child restraint. If any of the
belt types listed below are in the chosen seating
position, choose another vehicle seating position or
check your vehicle owner's manual for information
on installing a child restraint in your vehicle.
Lap belts with a sewn-in
latch plate that have a
retractor that locks only
in case of a sudden stop.
Lap-shoulder belts with top
or bottom anchor points
on the vehicle door.
NOTE: This Britax child restraint is not compatible
with inflatable lap-shoulder belts.
WARNING!
Lap belts forward of the
vehicle seat bight.
Motorized, automatic
vehicle seat belts.
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