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Safety 1st onBoard 35 User Manual

Safety 1st onBoard 35
32 pages
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onBoard 35, onBoard 35 Air
onBoard 35 Air +
onBoard Air 360
Infant Car Seat
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
www.safety1st.com
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Safety 1st onBoard 35 Specifications

General IconGeneral
Weight Capacity4-35 lbs
Height Capacity19-32 inches
Harness5-point harness
Side Impact ProtectionYes
Minimum Weight Recommendation4 pounds
Maximum Weight Recommendation35 pounds
Minimum Height Recommendation19 inches
Maximum Height Recommendation32 inches
Rear-FacingYes
Adjustable HarnessYes
Removable Head SupportYes
Machine Washable CoverYes
InstallationLATCH or vehicle seat belt
Care and CleaningMachine washable fabrics
Installation TypeLATCH system or vehicle seat belt

Summary

Overview of Key Tasks

Measure Your Child

Guide to measuring child's height and weight for car seat selection.

Adjust Car Seat Fit

Instructions for adjusting the car seat to ensure a proper and safe fit for the child.

Install Car Seat in Vehicle

Steps for correctly installing the car seat into a vehicle for safe use.

Secure Child in Car Seat

Procedures for properly buckling and securing the child in the car seat.

Quick Navigation

Rear-Facing Mode & Fit

Details on rear-facing installation requirements and child fit guidelines.

Adjustments & Securing

Guidance on adjusting the car seat and securing the child properly.

Parts of Car Seat

Accessory Use

Harness Covers and Pillows

Guide to using harness covers and head/body pillows for comfort and fit.

Infant Insert Usage

Instructions for installing and using infant inserts for proper support.

Rear-Facing Use Requirements

Child Weight and Height Limits

Details the weight and height limits for rear-facing configuration.

Recommendations and State Laws

Covers AAP recommendations and relevant state laws for child restraint use.

Preparing Car Seat for Child Fit

Rear-Facing Child Fit

Head Position Check

Ensuring the child's head is at the correct position relative to the car seat.

Harness Strap Position

Guidance on positioning harness straps correctly for safety.

Buckle Position

Instructions for selecting the appropriate buckle slot for a secure fit.

Changing Harness Strap Position

Changing Buckle Position

Harness System Adjustments for Smaller Infants

Removing and Installing Car Seat to Base

Base Use

Lowering Base Foot

Instructions on how to adjust the base foot for proper recline.

Canopy Use

Adjusting Canopy

Steps for adjusting the canopy position for shade or protection.

Cleaning Canopy

Instructions for cleaning the car seat canopy.

Carrier Use

Adjusting Carry Handle

How to adjust the car seat's carry handle for comfortable transport.

Canopy Installation and Removal

Steps for installing and removing the canopy from the carrier.

Securing Child in Car Seat

LATCH: Lower Anchor Use

Removing Lower Anchor Belt

Procedures for detaching the lower anchor belt from storage or vehicle.

Storing Lower Anchor Belt

Guidance on properly storing the lower anchor belt when not in use.

Vehicle Belts

Review Vehicle Owner's Manual

Importance of consulting the vehicle owner's manual for belt compatibility.

Check How Car Seat Will Be Locked

How to verify the car seat belt locks properly for secure installation.

Check Retractor Type

Identifying different types of vehicle belt retractors for proper use.

Types of Retractors

Switchable and Automatic Locking

Explanation of switchable and automatic locking retractor functions.

Emergency Locking Retractor

Information on emergency locking retractors and their use.

Checking Latch Plate Lock

Sliding Latch Plate Identification

Identifying sliding latch plates and their implications for installation.

Rear-Facing Use with Base

Vehicle Belt Install

Steps for installing the car seat rear-facing with a vehicle belt and base.

LATCH: Lower Anchor Belt Install

Steps for installing the car seat rear-facing with LATCH and base.

Vehicle Belt Installation

Pre-Installation Checks

Checks to perform before installing the car seat with a vehicle belt.

Belt Routing and Securing

Properly routing and securing the vehicle belt through the car seat.

Final Securing Steps

Final checks and steps to ensure a secure installation.

LATCH: Lower Anchor Belt Installation

Angle Indicator and Tightness

Checking the angle indicator and belt tightness for proper LATCH installation.

Final Securing Steps

Final steps for securing the child and seat after LATCH installation.

Rear-Facing Use without Base

Vehicle Belt Install

Steps for installing the car seat rear-facing without base using vehicle belt.

Check Angle Indicator

Ensuring the correct recline angle when installing without the base.

Vehicle Belt Installation Steps

Vehicle Belt Compatibility

Verifying vehicle belt compatibility for safe car seat installation.

Belt Routing and Securing

Properly routing and securing the vehicle belt for installation.

Tightening and Angle Check

Ensuring proper belt tightness and recline angle during installation.

Removing Harness System

Removing Seat Pad Set for Cleaning

Cleaning Car Seat Components

Pad, Accessories, and Shell Cleaning

Cleaning instructions for the seat pad, accessories, and shell.

Harness Strap Cleaning

Proper cleaning methods for harness straps.

Installing Seat Pad

Installing Harness System

Aircraft Information

Aircraft Use Certification

Details on the car seat's certification for use on airplanes.

Rear-Facing Aircraft Installation

Instructions for installing the car seat rear-facing on an aircraft.

Replacement and Expiration of Car Seat

Replacement After Minor Crash

Guidelines for determining if a car seat needs replacement after a minor crash.

Replacement After Moderate/Severe Crash

Mandatory replacement of car seat after moderate or severe crashes.

Expiration Information

Information regarding the car seat's expiration date and use limits.

Child Restraint Use

Installation in Vehicle

Vehicle Seating Position

Registration and Safety Notices

Product Registration

Instructions for registering the car seat for safety updates and recalls.

Recall Information

How to get information about product recalls and safety alerts.

Preventing Child Burn Hazards

Precautions to prevent a child from being burned by hot car seat components.

Warranty

Warranty Limitations

Specific limitations and exclusions of the product warranty.

Limitation of Damages

Information on limitations regarding consequential or incidental damages.

Warranty Terms and State Law

Overview of warranty terms, implied warranties, and state law rights.

Troubleshooting

Sticking Buckle or Lever

Troubleshooting tips for sticky buckles or harness release levers.

Twisting Harness

Advice on preventing and addressing harness twisting.

Replacement Parts List

Dorel Juvenile Group Information

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