diono booster seat manual

The Diono Booster Seat is a high-back booster seat designed for children transitioning from forward-facing car seats to vehicle seat belts. It features steel-reinforced construction, energy-absorbing EPS foam, adjustable headrest with 11 positions, integrated cup holders, machine-washable fabric, and meets or exceeds FMVSS 213 safety standards. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Adjustments 6. Proper Positioning 7. Cleaning and Maintenance 8. Safety Features 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Steel-reinforced frame, adjustable headrest, EPS energy-absorbing foam, integrated cup holders, machine-washable fabric cover.

Feature	Description
Steel-reinforced frame	Provides superior strength and durability
Adjustable headrest	11-position height adjustment for growing children
EPS foam	Energy-absorbing material for impact protection
Integrated cup holders	Dual cup holders for drinks and snacks
Machine-washable fabric	Removable cover for easy cleaning
LATCH connectors	For secure installation in vehicle
Seat belt guides	Proper positioning of vehicle seat belt
Side impact protection	Deep wings for enhanced side protection
Weight capacity	40-120 pounds
Height range	Up to 57 inches

Installation

Unpack and inspect contents. Place on vehicle seat.

Position booster seat: Place in forward-facing position on vehicle seat.
Connect LATCH system: Attach LATCH connectors to vehicle LATCH anchors.
Tighten LATCH straps: Pull straps tight to secure booster seat.
Check stability: Ensure booster seat does not move more than 1 inch side-to-side.
Position child: Place child in booster seat and fasten vehicle seat belt.

WARNING! Always use LATCH system or seat belt to secure booster seat. Never use both simultaneously.

First-Time Setup

Prepare booster seat for first use.

Adjust headrest: Set headrest to lowest position for initial setup.
Install fabric cover: Place machine-washable cover over seat frame.
Position cup holders: Attach cup holders to sides of booster seat.
Check LATCH connectors: Ensure LATCH connectors are properly engaged.
Test installation: Verify booster seat is securely installed before use.

CAUTION! Ensure vehicle seat belt lies flat across child's lap and shoulder. Never place behind child's back or under arm.

Specifications

Weight Capacity: 40-120 pounds
Height Range: Up to 57 inches
Construction: Steel-reinforced frame with EPS foam
Headrest Positions: 11 adjustable positions
Cup Holders: Dual integrated cup holders
Fabric: Machine-washable, removable cover
Safety Standards: FMVSS 213 compliant
LATCH System: Included for secure installation
Product Dimensions: Varies by model
Warranty: Limited lifetime warranty

Controls and Adjustments

Headrest adjustment: Press adjustment button and slide headrest up or down to one of 11 positions.

LATCH System: Connect LATCH hooks to vehicle anchors, pull strap to tighten.

Seat belt routing: Ensure vehicle seat belt passes through designated guides. Cup holder installation: Snap into place on sides of booster seat. Cover removal: Unhook straps and remove for cleaning.

Proper Positioning

Correct child positioning is critical for safety.

Head position: Child's ears should be below top of headrest.
Shoulder belt: Should cross center of shoulder, not neck or arm.
Lap belt: Should lie low across hips, not abdomen.
Leg position: Knees should bend naturally at seat edge.
Back position: Child's back should be flat against seat back.

Tip: Regularly check fit as child grows. Adjust headrest accordingly.

Cleaning and Maintenance

Remove fabric cover and machine wash in cold water on gentle cycle. Air dry only.

Remove cover: Unhook all attachment points.
Wash: Use mild detergent, cold water, gentle cycle.
Dry: Air dry completely; do not use dryer.
Reinstall: Ensure cover is properly secured.
Clean frame: Wipe with damp cloth and mild soap.

CAUTION! Do not use bleach or fabric softeners. Never machine wash harness straps.

Safety Features

Steel-reinforced frame: Provides rigid structure. EPS foam: Absorbs impact energy. Side impact protection: Deep wings protect head and torso. LATCH system: Secure attachment to vehicle. Proper belt routing: Ensures correct seat belt positioning.

Regulatory Information

FMVSS 213: Complies with Federal Motor Vehicle Safety Standard 213. Manufactured to meet or exceed all applicable safety standards. Copyright © Diono; all rights reserved. For support, visit www.diono.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Booster seat moves	Loose installation	Tighten LATCH straps or seat belt; check anchor points.
Headrest won't adjust	Obstruction/mechanism	Check for fabric caught in mechanism; press button fully.
Seat belt improper fit	Incorrect routing	Ensure belt passes through designated guides.
Child uncomfortable	Incorrect positioning	Adjust headrest height; check belt positioning.
Cup holders loose	Improper installation	Remove and reinstall; ensure snap engagement.

Inspection: Regularly check for wear, damage, or loose components.

Service: Contact Diono customer service for replacement parts or warranty claims.