Chicco KeyFit 35 Car Seat Base


The KeyFit® 35 Infant Car Seat Base is engineered with the #1-rated innovative safety features that make it the easiest to install correctly, every time. The versatile stay-in-car base offers secure attachment for the KeyFit® 30 or KeyFit® 35 Infant Car Seat, with an intuitive, click-in design and one-hand release. An integrated anti-rebound bar provides added stability and more legroom for extended rear-facing comfort.

Simply, Accurately, Secure...Every Time. The KeyFit® 35 Base incorporates intuitive and top-rated installation features to help ensure a simple, accurate and secure install...every time. Premium LATCH connectors are easy to attach and remove from your vehicle, while the SuperCinch® force-multiplying tightener helps achieve a secure fit to the vehicle seat using a fraction of the effort. One-hand ReclineSure® spring-loaded leveling foot works in tandem with the RideRight® bubble levels to help verify and achieve proper car seat angle. The LockSure® steel-reinforced belt system helps achieve a secure fit with the vehicle belt.


  • Effortless Attachment. Stay-in-car base is engineered to easily accept KeyFit® 30 or KeyFit® 35 Infant Car Seat through an intuitive click-in design.
  • Stability Plus Legroom. Integrated anti-rebound bar provides added stability and extended legroom.
  • Easiest to Install. Top-rated features like SuperCinch® tightener and level indicators help ensure a secure installation.
  • Seatbelt Installation. Steel-reinforced lock-offs provide a secure install with the vehicle belt.
  • One-Hand Leveling. ReclineSure® spring-loaded leveling foot helps achieve proper base angle in the vehicle seat.


  • Usage: The KeyFit® 35 Base is designed for use with all KeyFit® Infant Car Seats, including KeyFit®, KeyFit® 30 and KeyFit® 35.
  • Care and Maintenance: Sponge clean plastics using warm water and mild soap. Towel dry. Refer to the instruction manual for complete care and maintenance instructions.
  • Assembled Dimensions: 19" x 15" x 16"
  • Assembled Weight: 8.6 lbs.