Chicco KeyFit 35 Infant Car Seat Instruction Manual

1. Introduction and Overview

Thank you for choosing the Chicco KeyFit 35 Infant Car Seat. This manual provides essential information for the correct installation, operation, and maintenance of your car seat. The KeyFit 35 is designed to safely and comfortably accommodate your baby from 4 to 35 pounds and up to 32 inches tall, offering extended rear-facing use.

It features an Easy-Extend Headrest System, an integrated anti-rebound bar for stability, and intuitive installation features for a secure fit every time. The car seat is compatible with Chicco strollers for convenient travel system use.

2. Safety Information

WARNING: Always read and follow all instructions and warnings in this manual and your vehicle's owner's manual for proper use and installation. Failure to do so can result in serious injury or death.

Rear-Facing Only: This car seat is designed for rear-facing use only.
Weight and Height Limits: Use for infants weighing 4-35 pounds and up to 32 inches tall. Discontinue use when your child exceeds these limits.
Impact Protection: The carrier shell is lined with EPS energy-absorbing foam for enhanced impact protection.
Anti-Rebound Bar: The integrated anti-rebound bar provides increased stability and additional legroom for your growing child.
Harness System: Always secure your child using the 5-point harness system. Ensure straps are snug and properly positioned.

3. Components

Infant Car Seat Carrier
Stay-in-Car Base
Removable Infant Head and Body Support
UPF 50+ Full-Coverage Canopy
5-Point Harness System
SuperCinch Force-Multiplying LATCH Tightener
ReclineSure Spring-Loaded Leveling Foot
RideRight Bubble Level-Indicators
LockSure Steel-Reinforced Belt System

4. Setup & Installation

The Chicco KeyFit 35 is engineered for easy and secure installation using either the LATCH system or your vehicle's seat belt.

4.1. Base Installation (LATCH System)

Place the stay-in-car base on your vehicle's seat in the rear-facing position.
Attach the premium LATCH connectors to your vehicle's lower anchors.
Use the SuperCinch force-multiplying tightener to achieve a secure fit.
Verify the proper recline angle using the ReclineSure spring-loaded leveling foot and RideRight bubble level-indicators. The bubble should be within the green zone.

**Image: Easy-Extend Headrest System.** This image shows a baby in the car seat with arrows indicating the adjustable headrest and harness system, designed to grow with the child.

**Image: Easiest To Install - SuperCinch LATCH tightener.** A hand is shown pulling the SuperCinch strap on the car seat base, demonstrating the force-multiplying LATCH tightener for secure installation.

**Image: Leveling System for proper car seat angle.** This image highlights the ReclineSure spring-loaded leveling foot on the car seat base, used to achieve the correct recline angle.

**Image: RideRight Bubble Level-Indicators.** A close-up of the green bubble level-indicator on the car seat base, used to visually confirm the proper installation angle.

4.2. Base Installation (Vehicle Belt)

Place the stay-in-car base on your vehicle's seat in the rear-facing position.
Route the vehicle's lap and shoulder belt through the designated belt path on the base.
Engage the LockSure steel-reinforced belt system to secure the belt tightly.
Verify the proper recline angle using the ReclineSure spring-loaded leveling foot and RideRight bubble level-indicators.

**Image: Steel Reinforced Seatbelt Installation.** A hand is shown securing the vehicle's seatbelt through the LockSure steel-reinforced belt system on the car seat base, ensuring a tight fit.

4.3. Carrier-Only Installation

The KeyFit 35 carrier can also be installed without the base, using the vehicle's seat belt. Refer to the detailed instructions in your full product manual for this method.

**Image: On-the-go Install - Carrier-only installation option.** This image illustrates the car seat carrier secured directly into a vehicle seat using the seatbelt, without the base, for convenient travel.

4.4. Attaching the Car Seat Carrier to the Base

Align the car seat carrier with the installed base.
Lower the carrier onto the base until it clicks securely into place.
Always check that the carrier is firmly attached to the base by pulling up on the handle.

**Image: Effortless Attachment - Intuitive click-in design.** This image shows the car seat carrier being lowered onto its base, with an arrow indicating the intuitive click-in design for secure attachment.

4.5. Travel System Compatibility

The KeyFit 35 Infant Car Seat clicks securely into compatible Chicco strollers, creating a convenient car seat and stroller combo. A one-hand release makes it easy to remove the carrier from the stroller.

**Image: Travel System Mobility - One-hand, click-in attachment.** The car seat carrier is shown attached to a Chicco stroller, demonstrating the ease of creating a travel system with one-hand click-in attachment.

5. Operating Instructions

5.1. Securing Your Child

Place your child in the car seat.
Fasten the 5-point harness. Ensure the chest clip is at armpit level.
Pull the harness tightening strap to ensure a snug fit. You should not be able to pinch any excess webbing at your child's shoulder.

5.2. Adjusting the Headrest and Harness

The Easy-Extend Headrest System adjusts with the no-rethread harness to accommodate your child's growth. Simply squeeze the adjustment lever at the top of the headrest and slide it up or down to the appropriate height.

5.3. Using the Infant Head and Body Support

For newborns weighing 4-11 pounds, use the removable ergonomic head and body support positioner to ensure proper fit and comfort.

**Image: Newborn Positioner - Removable head & body support.** A sleeping infant is shown in the car seat, highlighting the removable head and body support designed for newborns.

5.4. Canopy Operation

The double-knit, full-coverage canopy offers UPF 50+ sun protection. It can be extended or retracted as needed to shield your child from the sun.

**Image: UPF 50+ Canopy - Extendable, full-coverage sun protection.** The car seat is shown with its extended, full-coverage canopy providing sun protection. The canopy is rated UPF 50+.

6. Maintenance & Cleaning

The car seat features removable fabrics for easy cleaning. Refer to the care labels on the fabric and the full instruction manual for specific washing instructions.

Fabric Care: Most fabric components are machine washable on a delicate cycle with mild detergent. Air dry.
Harness System: Wipe the harness straps with a damp cloth. Do not machine wash or submerge harness straps in water, as this may weaken them.
Plastic and Metal Parts: Wipe clean with a soft, damp cloth and mild soap.

7. Troubleshooting

If you encounter any issues with your Chicco KeyFit 35 Infant Car Seat, please refer to the following common solutions:

Loose Installation: Ensure the LATCH connectors or vehicle belt are tightened fully. Re-check the bubble level-indicators.
Harness Adjustment: If the harness is too loose or too tight, adjust the Easy-Extend Headrest System and pull the tightening strap as described in Section 5.2.
Carrier Not Latching: Ensure no obstructions are preventing the carrier from clicking securely into the base. Re-align and try again.

For further assistance, please contact Chicco customer service.

8. Specifications

Feature	Specification
Minimum Weight Recommendation	4 Pounds
Maximum Weight Recommendation	35 Pounds
Maximum Height Recommended	32 Inches
Installation Type	LATCH system or European belt path or Belt lock-off
Orientation	Rear Facing
Harness Type	5-Point
Number of Height Positions	5
Item Weight	18.5 Pounds
Item Dimensions (D x W x H)	28"D x 16.5"W x 24"H
Material Type	Metal, Plastic, Polyester
Color	Onyx/Black

**Image: Chicco KeyFit 35 Car Seat Dimensions.** This image provides a visual representation of the car seat with its key dimensions: 28 inches deep, 16.5 inches wide, and 24 inches high.

9. Warranty & Support

The Chicco KeyFit 35 Infant Car Seat comes with a 1-year limited warranty from the manufacturer, Artsana USA, Inc.

For warranty claims, product support, or any questions not covered in this manual, please contact Chicco customer service directly. Contact information can typically be found on the Chicco website or on the product packaging.

10. Official Product Video

Watch the official Chicco brand video for an overview of their commitment to baby products.

Video: Chicco Brand Video. This video provides a general overview of the Chicco brand and its product philosophy, showcasing various baby products including car seats.

	Chicco KeyFit Caddy Owner's Manual: Assembly, Use, and Maintenance This comprehensive owner's manual provides detailed instructions for the assembly, safe use, and maintenance of the Chicco KeyFit Caddy stroller frame. Learn how to attach your Chicco infant car seat, fold and unfold the caddy, and care for the product.
	Chicco KeyFit Car Seat User Guide: Installation & Safety Comprehensive user guide for the Chicco KeyFit infant car seat, detailing installation, safety features, child guidelines, and best practices for secure travel. Learn how to properly install and use your car seat for maximum infant protection.
	Chicco NextFit MAX ZIPO Convertible Car Seat User Guide Comprehensive user guide for the Chicco NextFit MAX ZIPO Convertible Car Seat, detailing safe installation, usage instructions, and important safety guidelines for rear-facing and forward-facing modes. Includes maintenance and support information.
	Chicco KeyFit® Max Zip ClearLux Canopy Features and Cleaning Instructions Detailed instructions for installing, using, and cleaning the Chicco KeyFit® Max Zip ClearLux car seat canopy, including mesh panel and privacy shield features.
	Chicco KeyFit 35 Infant Car Seat User Manual Comprehensive instructions for the Chicco KeyFit 35 infant car seat, covering usage, care, and safety guidelines. Learn about installation, harness adjustment, and important warnings to ensure child safety.
	Chicco KeyFit 35 Zip ClearTex Canopy Features and Instructions Detailed instructions for installing, using, and cleaning the Chicco KeyFit 35 Zip ClearTex Canopy. Learn how to attach the mesh panel and privacy shield for your child's comfort and protection.

Chicco KeyFit 35