Cosco HIGHBACK 2-in-1 User Manual

Forward Facing: 22-40 lb and 34-43 in.
(10.1-18 kg and 85.1-110 cm)
Belt-Positioning Booster: 40-80 lb and 43-52 in.
(18.1-36.3 kg and 110.1-132.1 cm)
KEEP INSTRUCTIONS FOR FUTURE USE.
Read all instructions before using this child restraint.
HIGHBACK 2-in-1
BOOSTER CAR SEAT
Failure to follow the warnings on the labels and in the
instruction manual can result in serious injury or death
to your child.
LATCH
Page 18
TETHER
Page 23
To see installation videos, scan the QR
Code or visit coscokids.com.
FUNSMARTSIMPLE
©2015 Dorel Juvenile. All Rights Reserved.
4358-6742 4.24.15
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Cosco HIGHBACK 2-in-1 Specifications

General

Convertible	Yes
Height Recommendation	19 - 52 inches
Harness Type	5-point harness
Cup Holder	Yes
Safety Standards	FMVSS 213
High-Back Booster Weight Capacity	40-100 lbs
LATCH Compatibility	Yes
Recline Positions	3
Washable Cover	Yes
Forward-facing Weight Capacity	22-40 lbs
Forward-facing Height Capacity	29-43 inches
High-Back Booster Height Capacity	43-57 inches

Summary

Choosing Forward Facing or Booster Seat

Booster Seat

Guidelines for booster seat use.

Prepare Child Restraint to Fit Your Child

2. Unbuckle Harness

Step to unbuckle the harness system.

3. Release Chest Clip

Step to release the chest clip.

4. Place Child in Child Restraint to Determine Proper Harness Fit

Step to position child for correct harness fit.

How Does Your Child Fit?

Forward Facing with Internal Harness

Guidelines for proper harness slot positioning for forward-facing.

Changing Position of Shoulder Harness Strap

1. Fully Loosen Harness Strap

Step to loosen harness straps for adjustment.

4. Rethread Harness Strap into Correct Shoulder Harness Slots For Your Child

Step to re-thread harness into appropriate slots.

5. Attach Harness Strap Loops to Splitter Plate As Shown

Securing Child in Child Restraint

1. Place Child in Child Restraint

Step to position the child correctly in the restraint.

2. Buckle Harness

Step to fasten the harness buckle.

3. Close Chest Clip

Step to secure the chest clip.

4. Tighten Harness

Step to snug the harness straps.

5. Position Chest Clip

Step to place the chest clip at mid-chest level.

6. Check Harness Tightness

Step to verify the harness is snug.

Removing Harness System

1. Fully Loosen Harness Straps

2. From Back, Remove Harness Strap Loops From Splitter Plate

Step to detach harness loops from the splitter plate.

3. Pull Harness Strap Out of Shoulder Harness Slots

4. Unthread Chest Clip

5. Unthread Buckle

6. Pull Harness Strap Out of Seat

8. Rotate Metal Retainer and Push It Up Through Shell and Pad

9. From Top of Seat, Pull Buckle Out of Shell

Removing Seat Pad for Cleaning

1. Release Elastic Straps on Back and Bottom of the Shell

2. Remove Pad

Installing Harness System

1. Insert Buckle's Metal Retainer into Slot

2. Pull Metal Retainer Completely Through Pad and Shell

3. Check Buckle

4. Rethread Harness Strap

5. Pull Harness Strap Across Bottom of Shell

Child Restraint Use

Vehicle Seating Position

Understanding Your Vehicle

Choosing LATCH or Vehicle Belts

Knowing Your Vehicle Belts

Vehicle Belts

ELR (Emergency Locking Retractor) vehicle belts

Switchable Retractor

ALR (Automatic Locking Retractor)

Vehicle Latch Plates

Forward Facing

Tether Use

LATCH Installation

1. Remove LATCH from Packaging

2. Route LATCH Belt Through Forward-Facing Belt Path

To Release LATCH

Vehicle Belt Installation

Safety Tip

1. Place Child Restraint Forward Facing Flush Against Vehicle Seat Back

2. Loosely Attach Tether Hook

3. Route Vehicle Lap or Lap/Shoulder Belt Through Forward-Facing Belt Path

4. Tighten Belt

5. Tighten Tether

6. Check Belt Tightness

Step to verify the vehicle belt installation is secure.

Booster Seat

Lap/Shoulder Belt

Guidance for using the lap/shoulder belt in booster mode.

1. Place Booster Seat Forward Facing Flush Against Vehicle Seat Back

2. Position Lap Belt on Child

Step to correctly position the lap belt on the child.

3. Buckle Vehicle Belt

4. Position Shoulder Belt on Child

Step to correctly position the shoulder belt on the child.

Using a Locking Clip

1. Determine Locking Clip Position

2. Attach Locking Clip

3. Position Locking Clip

4. Rebuckle Vehicle Belt

5. Check Belt Tightness

Step to verify the belt installation is secure.

6. Tighten Tether

Troubleshooting

1. Locate a Child Safety Seat Inspection Station

2. If the child restraint buckle or harness release lever sticks...

Troubleshooting stuck buckle or harness issues.

3. If you cannot insert the buckle tongues into buckle

4. If your harness twists