Britax FRONTIER 85 ユーザーズマニュアル

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Harness Mode: Harness Height Adjustment
IMPORTANT: Make all adjustments for the fit of your child before 
using the child seat. Place the child seat on the floor and have your 
child sit in the seat. Follow the instructions on the following pages 
to make the proper adjustments to the harness, buckle, and head 
restraint.
WARNING!
  Head restraint adjustment is for use in Booster 
Mode ONLY. DO NOT Use the head restraint adjuster when the 
harness is attached.
Lift the head restraint 
adjuster release to move 
the head restraint.
Loosen the harness. 
Press release lever
Pull both harness straps 
forward
Lift and slide the harness 
height adjuster into the 
desired position, then 
release. 
Ensure the adjuster is 
seated securely between 
the notches. 
Booster Mode: Head Restraint Adjustment
Remove the locking screw 
from the head restraint 
adjuster and insert into the 
shell to store for later use. 
IMPORTANT: The vehicle belt must be positioned at or above the 
child’s shoulder through the shoulder belt guide.
IMPORTANT: In harness mode, 
the harness height adjuster also 
adjusts the height for the head 
restraint. Always position the 
harness straps at or above your 
child’s shoulders.
Locking Screw 
storage
Shoulder level
Above Shoulder Level
Below Shoulder Level
Child Seat Functions
Child Seat Functions