Chicco Keyfit 35 Car Seat Instruction Manual

Manual Chicco Keyfit 35 Car Seat Instruction Manual

Chicco Keyfit 35 Car Seat Instruction Manual

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Chicco Keyfit 35 Car Seat

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Chicco Keyfit 35 Car Seat Instructions

Here we offer the Chicco Keyfit 35 Car Seat manual completely free and in English. We have cataloged this manual in the Infant Seats section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Chicco Keyfit 35 Car Seat, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Chicco Keyfit 35 Car Seat Specifications

Feature Specification
Product Type Infant car seat (carrier with detachable base)
Manufacturer Artsana USA, Inc. (Chicco)
User Guide Reference IS0190E_03 (03/20)
Installation Orientation Rear-facing only
Child Weight Range 4–35 lbs (1.8–15.9 kg)
Maximum Child Height 32 in (81 cm)
Minimum Head Clearance Top of head at least 1 in (25 mm) below top of head rest
Newborn Positioner Weight Range 4–11 lbs (1.8–5 kg)
Harness Type Harness with buckle, chest clip, shoulder pads and crotch strap pad
Harness Height Positions 5
Harness Strap Position At or just below the child's shoulders
Installation Methods with Base LATCH, lap-shoulder belt, lap belt only
Installation Methods without Base Lap-shoulder belt (optional Shoulder Belt Guide), lap belt only
LATCH Lower Anchor Spacing Standard 11 in (28 cm) only
Top Tether Not used
Base Leveling System Bubble Level Indicator with adjustable Recline Foot
Leveling without Base Level Line on seat label
Maximum Base Overhang 4 in (10 cm) past vehicle seat edge
Allowed Installation Movement Less than 1 in (25 mm) side-to-side or forward
Carry Handle Positions 3 (Carrying, Stationary, Rocking)
Compatible Carriers for Base Chicco KeyFit, KeyFit 30, KeyFit 35 (not Fit 2)
Aircraft Use Certified, forward-facing aircraft seats, lap belt installation without base
Useful Life 6 years (see "Do Not Use After" label)
Customer Service 1-877-424-4226

Chicco Keyfit 35 Car Seat Details

The Chicco KeyFit 35 is an infant carrier that clicks into a base you install in the vehicle. The base includes a Recline Foot Adjuster, a Shoulder Belt Lock-Off, a LATCH Pull Strap with a storage slot, storage compartments for the LATCH connectors on both sides, and a built-in storage spot for the user guide. Because of this setup, you can move the carrier between the car and other places without reinstalling the base every time.

With the base, the LATCH installation goes like this. Pull up the LATCH Release Lever and let the straps out to full length. Attach both connectors to the vehicle anchor bars. Then pull the LATCH Pull Strap while pressing the base firmly into the seat, and roll the strap up into its slot. The manual says never to use LATCH and the seat belt together. If the vehicle has inflatable seat belts, leave the unused belt unbuckled behind the seat.

For a belt installation with the base, the Lock-Off holds the shoulder belt in place. That means you don't have to switch the vehicle's retractor into locked mode. Always use the Lock-Off on the side opposite the buckle. After the belt is seated in the Lock-Off, don't pull on it, because that could damage the Lock-Off or the vehicle belt. Some belt types must never be used: motorized belts, door-mounted belts, non-locking ELR lap belts, inflatable belts, and lap-shoulder belts with two retractors (unless the lap belt has a lock mode).

You can also install the carrier without the base. In that case, route the belt through the carrier's own seat belt guides and line up the Level Line on the seat label with the ground. A tightly rolled towel under the front edge can help correct the angle. On the back of the carrier there's an optional Shoulder Belt Guide. It wraps the shoulder belt around the carrier for extra stability, so check that your vehicle's belt is long enough to reach.

To secure your child, loosen the harness with the Adjuster Button, seat the child against the back and bottom of the carrier, and buckle both tongues until they click. Then pull the Harness Adjuster Strap to tighten. Use the pinch test to check the fit: if you can pinch a fold in the strap at the shoulders, it's too loose. Place the chest clip at armpit level, and never put the child in bulky clothing or wrap them in blankets before buckling.

A Head Rest Insert gives smaller infants extra support. You can use it with or without the Newborn Positioner, and its straps wrap around the edges of the head rest. To use the Newborn Positioner, pull the buckle through its bottom slot and run the harness straps over its side panels. The manual says not to use any other padding or pillows. The canopy rotates forward or backward, and you can take it off by undoing the toggle buttons and pressing the release button on each mount.

To change the handle position, press both Handle Release Buttons and rotate it. Before lifting the carrier by the handle, make sure the handle is locked in the carry position. For cleaning, you can spot-clean the fabrics, hand wash them, or machine wash them cold on a delicate cycle, then hang them to dry. Clean the harness, LATCH straps, and plastic parts with a sponge, warm water, and mild soap. Clean the buckle with warm water only. Never use bleach, solvents, or lubricants.

The manual also includes important safety warnings. Never put the carrier on soft or raised surfaces or on a shopping cart. Replace the seat after any crash. Don't use accessories that Chicco hasn't approved. Register the product so you can be contacted if there's a recall.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Chicco Keyfit 35 Car Seat, and we answer them below.


What weight and height range does the Chicco KeyFit 35 support?
It is for children who weigh 4 to 35 lbs (1.8–15.9 kg) and are 32 in (81 cm) tall or shorter. The top of the child's head must also be at least 1 in (25 mm) below the top of the head rest.

Can the KeyFit 35 be installed forward-facing?
No. This seat must only be installed rear-facing. Once your child reaches the maximum weight or height, switch to a convertible car seat.

When should I use the Newborn Positioner?
Use it only for infants who weigh between 4 and 11 lbs (1.8–5 kg). Stop using it once the child weighs more than 11 lbs.

How do I know the harness is tight enough?
Do the pinch test. If you can pinch a fold in the harness strap at the child's shoulders, it's too loose. Pull the Harness Adjuster Strap until there is no slack left.

How many harness height positions does the carrier have?
The carrier has 5 harness height positions. To change the height, squeeze both buttons on the Height Adjuster Plate under the carrier and slide the plate up or down until it locks.

Can I use the KeyFit 35 base with other Chicco carriers?
Yes, but only with the KeyFit, KeyFit 30, and KeyFit 35 infant carriers. Do not use the Chicco Fit 2 carrier with this base.

Do I need to lock the vehicle shoulder belt when installing the base?
No, it's optional. The Shoulder Belt Lock-Off on the base does the same job, and switching the retractor to locked mode can make the seat tilt.

Can I use the seat on an airplane?
Yes. It is certified for aircraft use on forward-facing seats. Install the carrier without the base, the same way as the lap belt only installation.

How long can the Chicco KeyFit 35 be used?
Don't use it after 6 years. You'll find the "Do Not Use After" date on the label underneath the seat.

How should I clean the harness and buckle?
Clean the harness with a sponge, warm water, and mild soap, then let it air dry. Don't machine wash it. Clean the buckle with warm water only, and never use soaps or lubricants on it.

Can I use the seat in a position with a front air bag?
No. Never place it in front of an active frontal air bag. The back seat is the safest place for children aged 12 and under.

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