Table of Contents
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onBoard 35, onBoard 35 Air
onBoard 35 Air +
onBoard Air 360
Infant Car Seat
www.safety1st.com
Model shown may be different than
model purchased.
KEEP INSTRUCTIONS FOR FUTURE USE
Read all instructions before
using this car seat.
WARNING
Failure to follow the
warnings on the labels and in the
instruction manual can result in
serious injury or death
to your child.
4358-8078
8.26.20
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Table of Contents
Related Manuals for Safety 1st onBoard Air 360
Summarization of Contents
Overview
Measure Your Child
Guide to measuring child's size for car seat.
Adjust Car Seat to Fit Your Child
Instructions for adjusting the car seat for proper fit.
Install Car Seat into Your Vehicle
Steps for installing the car seat in a vehicle.
Snugly Secure Your Child in Car Seat
Guidance on securing the child properly in the car seat.
Parts of Car Seat
Canopy
Describes the car seat canopy and its function.
Carry Handle
Explains the car seat's carry handle and its adjustment.
Harness System Detail
Illustrates the components of the harness system.
Vehicle Belt Path Guide
Shows the path for the vehicle seat belt when used without the base.
Accessory Use
Harness Covers
Information on using harness covers for comfort.
Head Pillow
Instructions for using the infant head pillow.
Body Pillow
Instructions for using the infant body pillow.
Infant Insert
Guidelines for using the infant insert for newborns.
Rear-Facing Use Requirements
Measure your child's weight and height
Importance of measuring child's weight and height for seat mode selection.
State Laws
Notes about following state laws regarding car seat use.
American Academy of Pediatrics Recommendations
AAP guidelines on car seat use for different age groups.
REAR-FACING
Specific weight and height limits for rear-facing mode.
Preparing Car Seat for Child Fit
Remove Carrier from Base
Steps to detach the car seat carrier from its base.
Fully Loosen Harness Straps
How to loosen the harness straps for fitting.
Unbuckle Harness
Steps to unbuckle the harness.
Release Chest Clip
How to release the chest clip.
Place Child in Car Seat to Determine Proper Harness Fit
Guidance on placing the child to check harness fit.
Rear-Facing Child Fit
Head Position
Ensures child's head is at least 1 inch below car seat top.
Harness Strap Position
Harness straps must be at or below shoulders, never above.
Buckle Position
Buckle slot closest to child, not under or behind child.
Changing Harness Strap Position
Fully Loosen Harness Straps
Steps to loosen the harness straps.
Remove Harness Strap Loops From Splitter Plate
Detaching harness strap loops from the splitter plate.
Pull Harness Straps Out of Shoulder Harness Slots
Removing harness straps from shoulder slots.
Rethread Harness Straps into Correct Shoulder Harness Slots
Attach Harness Strap Loops to Splitter Plate
Reattaching harness strap loops to the splitter plate.
Removing and Installing Car Seat to Base
To Remove Car Seat from Base
Steps to detach the car seat from its base.
To Attach Car Seat to Base
Steps to attach the car seat to its base.
Base Use
To Lower Base Foot
How to adjust the base foot for proper recline.
Canopy Use
To Adjust Canopy
Instructions for adjusting the car seat canopy.
To Clean Canopy
Method for cleaning the car seat canopy.
Carrier Use
To Adjust Carry Handle
How to adjust the car seat's carry handle.
WARNINGS
Important safety warnings for carrier use.
Securing Child in Car Seat
Place Child in Car Seat
How to position the child in the car seat.
Buckle Harness
Steps to buckle the child's harness.
Fasten Chest Clip
How to fasten the chest clip.
Tighten Harness
Instructions for tightening the harness straps.
Position Chest Clip
Correct positioning of the chest clip on the harness.
LATCH: Lower Anchor Use
To Remove Lower Anchor Belt from Storage Attachment on Base
Detaching LATCH belt from base storage.
To Remove Lower Anchor Belt from Vehicle's Lower Anchor Bars
Detaching LATCH belt from vehicle anchors.
To Store Lower Anchor Belt
Proper storage of the LATCH lower anchor belt.
Vehicle Belts
You Must Review Your Vehicle Owner's Manual
Importance of consulting vehicle manual for belt compatibility.
Check How This Car Seat Will Be Locked Into Place
Verifying the method to lock the vehicle belt.
Check Retractor
Inspecting the seat belt retractor for locking function.
Types of Retractors
Switchable Retractor
Explanation of switchable retractors and how to use them.
Automatic Locking Retractor
Information on automatic locking retractors.
Emergency Locking Retractor
Details on emergency locking retractors.
Check Latch Plates
How to check if the vehicle's latch plate locks the belt.
Rear-Facing Use with Base
Never install a rear-facing child restraint...
Warning against installing rear-facing in front seat with airbags.
Do not use the lower anchor belt along with...
Prohibition against using LATCH and vehicle belt simultaneously.
Check the vehicle belt or the lower anchor belt...
Ensuring belts are tightened and locked securely.
Do not fasten multiple lower anchor hooks...
Warning against using multiple hooks on one anchor bar.
The child restraint must be securely attached...
Requirement for the restraint to be secured even when unoccupied.
This child restraint must always face the rear...
Mandate for rear-facing orientation.
Vehicle Belt Install
Check if Your Vehicle Belts Will Work With This Car Seat
Verifying vehicle belt compatibility with the car seat.
Route Vehicle Lap or Lap/Shoulder Belt Through Base Belt Path
Routing the vehicle belt through the base.
Buckle Vehicle Belt
How to buckle the vehicle belt.
Tighten Belt
Steps to tighten the vehicle belt.
Check Belt Tightness
Verifying the installed belt's tightness.
LATCH: Lower Anchor Belt Install
Remove Lower Anchor Belt from Storage Attachments
Detaching LATCH belt from base storage.
Route Lower Anchor Belt Through Base Belt Path
Place Base Rear-Facing in Back Seat
Positioning the base in the rear seat for LATCH installation.
Attach Lower Anchor Hooks to Vehicle's Lower Anchors in Seat Bight
Connecting LATCH hooks to vehicle anchors.
Tighten Belt
Securing the LATCH belt by tightening.
Tuck Loose End of Belt
Properly tucking the loose end of the LATCH belt.
Check Belt Tightness
Secure Child in Car Seat
Securing the child in the car seat.
Attach Car Seat to Base
Attaching the car seat to the base.
Check Angle Indicator
Verifying the correct recline angle using the indicator.
Rear-Facing Use without Base
Never install a rear-facing child restraint...
Warning against rear-facing installation in front seat with airbags.
Check the vehicle belt before each use.
Ensuring the vehicle belt is properly tightened and locked.
This child restraint must always face the rear...
Mandate for rear-facing orientation.
Vehicle Belt Install
Check if Your Vehicle Belts Will Work With This Car Seat
Verifying vehicle belt compatibility with the car seat.
Route Vehicle Lap or Lap Portion of the Lap/Shoulder Belt Through Shell Belt Path As Shown
Routing the vehicle belt through the car seat shell.
Buckle Vehicle Belt
How to buckle the vehicle belt.
Tighten Vehicle Belt
Steps to tighten the vehicle belt.
Removing Harness System
Fully Loosen Harness Straps
Steps to loosen the harness straps.
Remove Harness Strap Loops From Splitter Plate
Detaching harness strap loops from the splitter plate.
Pull Harness Strap Out of Shoulder Harness Slots
Removing harness straps from shoulder slots.
Unthread Chest Clip
How to unthread the chest clip.
Unthread Buckle
Steps to unthread the buckle.
Pull Harness Strap Out of Seat
Removing harness straps from the seat.
Removing Seat Pad Set for Cleaning
Release Pad Tabs
Steps to release the seat pad tabs.
Remove Pad from Top and Bottom of Car Seat
Removing the seat pad from the car seat.
Pull Buckle Through Pad
Pulling the buckle through the seat pad.
Cleaning Parts of Car Seat and Installing Seat Pad Set
Cleaning Pad and Accessories
Instructions for cleaning the seat pad and accessories.
Cleaning Harness Strap
How to clean the harness straps.
Cleaning Buckle & Car Seat Shell
Method for cleaning the buckle and shell.
Installing Seat Pad
Steps for reinstalling the seat pad.
Installing Harness System
Insert Buckle's Metal Retainer into Buckle Slot Closest to Child
Inserting the buckle retainer into the correct slot.
Pull Metal Retainer Completely Through Pad and Shell
Pulling the buckle retainer through the pad and shell.
Check Buckle
Verifying the buckle is securely fastened.
Thread Harness Strap
Threading the harness strap through the hip harness slot.
Pull Up Front of Seat Pad
Pulling up the front of the seat pad.
Weave Harness Strap In and Out of Shell As Shown
Make Harness Strap Even
Ensuring harness straps are even.
Thread Buckle and Chest Clip
Threading buckle and chest clip onto harness straps.
Thread Harness Straps into Correct Shoulder Harness Slots for Your Child
From Back of Car Seat, Attach Harness Strap Loops to Splitter Plate As Shown
Attaching harness loops to the splitter plate.
Aircraft Information
This restraint is certified for aircraft use.
Confirmation that the car seat is certified for aircraft use.
Rear-Facing Aircraft Installation
Instructions for rear-facing installation on aircraft.
Replacement and Expiration of Car Seat
Do not risk your child's safety.
Emphasizing safety and recommending replacement after crashes.
Replacement After a Minor Crash
Criteria for determining if a car seat needs replacement after a minor crash.
Replacement After a Moderate to Severe Crash
Requirement to replace the car seat after moderate/severe crashes.
Expiration
Information on the car seat's expiration date.
Child Restraint Use
Never take your child out of the child restraint...
Warning against removing the child from restraint while vehicle is moving.
Never leave your child unattended.
Warning about leaving a child unattended in the car seat.
Do not use a child restraint with damaged or missing parts.
Prohibition against using damaged or incomplete car seats.
Do not substitute parts or try to modify...
Warning against modifying or substituting parts.
Do not use any child restraint accessory...
Only use approved accessories.
Never allow any child to play with this child restraint;
Car seat is not a toy.
Do not remove or cover up any of the warning labels...
Do not remove labels from the restraint.
This child restraint has been certified for use in passenger vehicles.
Certification for use in passenger vehicles.
Installation in Vehicle
Check the vehicle belt or lower anchor belt...
Ensuring belts are tightened and locked securely.
Even when unoccupied, this child restraint must be firmly secured...
Restraint must be secured when unoccupied.
Vehicle Seating Position
Never place a child rear-facing in a seating position with an active frontal air bag.
Warning against rear-facing in front seats with airbags.
Use the child restraint only on vehicle seats that face forward.
Use restraint only on forward-facing vehicle seats.
Children are safer when properly restrained in rear seating positions...
Children are safer in rear seating positions.
Registration and Safety Notices
Please complete the postage-paid registration card...
Instructions for registering the child restraint for safety recalls.
To avoid your child being seriously burned, take the following precautions:
Precautions to prevent child from being burned by hot car seat.
Warranty
Dorel Juvenile Group, Inc. (DJG) warrants this product...
Details the product warranty against defects.
An original receipt is required to validate your warranty.
Requirement for proof of purchase for warranty validation.
Warranty Limitations:
Limitations of the warranty, excluding misuse or abuse.
Limitation of Damages:
Exclusion of incidental or consequential damages.
Limitation of warranties and other warranty terms and state law rights:
Information on implied warranties and state law rights.
Troubleshooting
1. If the car seat's buckle or harness release lever sticks...
Troubleshooting sticky buckle or harness release lever.
2. If your harness twists:
Guidance on preventing and straightening twisted harness straps.
Replacement Parts List
Chest Clip
List of available replacement parts.
Buckle Assembly
List of available replacement parts.
Seat Pad Set
List of available replacement parts.
Base
List of available replacement parts.
Dorel Juvenile Group Information
Thank you for choosing this car seat, also known as a child restraint.
Welcome and commitment statement from the manufacturer.
Remember, parents are a child's first teachers...
Advice on parental role modeling for seat belt use.
No one can predict if use of a car seat will prevent injury or death...
Statement on car seat effectiveness and driving safety.
If you have questions or any concerns with this car seat, please contact our Consumer Care Department:
Contact information for customer support.
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Questions and answers