diono radian r100 car seat manual

The Diono Radian R100 is a premium convertible car seat designed for children from 5 to 120 pounds, featuring steel alloy frame construction, superior side impact protection, 5-point harness system, multiple recline positions, compact folding design for travel, and FAA-approved for aircraft use. 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. Harness System 7. Recline Positions 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Steel alloy frame, 5-point harness system, adjustable headrest, multiple recline positions, compact folding mechanism, premium fabric covers.

Feature	Description
Steel alloy frame	For maximum durability and crash protection
5-point harness system	Adjustable shoulder and crotch straps
Adjustable headrest	12-position headrest with side impact protection
Multiple recline positions	3 recline positions for comfort
Compact folding	Folds for easy storage and travel
FAA-approved	Certified for aircraft use
Premium fabric	Machine washable, breathable materials
Weight capacity	5-120 pounds (rear and forward facing)
Height limit	Up to 57 inches
Installation	LATCH system and seat belt compatible

Installation

Unpack and inspect all components. Read manual completely before installation.

Select vehicle seating position: Use rear-facing for infants 5-50 lbs, forward-facing for children 20-120 lbs.
Install base: Use LATCH system or vehicle seat belt following manufacturer instructions.
Adjust recline angle: Ensure proper angle for child's age and weight.
Secure harness: Thread harness straps through appropriate slots for child's height.
Final check: Ensure seat does not move more than 1 inch side-to-side or front-to-back.

WARNING! Car seat must be properly installed to provide maximum protection. Always check for secure installation before each use.

First-Time Setup

Prepare car seat for initial use following these steps.

Remove from packaging: Remove all plastic wraps and packaging materials.
Inspect components: Check for any damage or missing parts.
Adjust harness height: Set harness straps at or below shoulder level for rear-facing, at or above for forward-facing.
Set recline position: Use angle indicator to ensure proper recline angle.
Install in vehicle: Follow installation instructions carefully.

CAUTION! Never leave child unattended in car seat. Ensure harness is snug and secure.

Specifications

Weight Range: 5-120 pounds (rear and forward facing)
Height Limit: Up to 57 inches
Harness Slots: 9 adjustable positions
Recline Positions: 3 positions
Headrest Positions: 12 adjustable positions
Frame Material: Steel alloy with energy-absorbing foam
Fabric: Premium, machine washable
Certifications: FMVSS 213, FAA approved
Dimensions: 17"W x 27"H x 16"D (folded)
Weight: 26.5 pounds

Controls and Adjustments

Access adjustment features via harness adjuster, headrest controls, and recline mechanism.

Harness Adjuster: Front pull strap for tightening, push-button release for loosening.

Headrest: Lift handle to adjust height, press buttons for fine adjustments.

Recline: Pull recline adjustment lever while applying pressure to seat base.

Harness Height: Remove cover to access harness slot adjustments, rethread through appropriate slots.

Harness System

5-point harness with multiple adjustment points for secure fit.

Shoulder straps: Adjust height through 9 positions
Crotch strap: 3 positions for optimal fit
Buckle: Quick-release button for easy operation
Harness tightener: Front-adjust pull strap
Harness pads: Removable for cleaning and comfort

Tip: Harness should be snug - you should not be able to pinch any slack in the straps at the child's shoulders.

Recline Positions

Three recline positions for comfort and safety.

Position 1: Most upright for forward-facing installation
Position 2: Moderate recline for older rear-facing children
Position 3: Deepest recline for infants and young rear-facing children
Angle indicator: Use built-in level to ensure proper installation angle
Adjustment: Pull recline lever while applying downward pressure

WARNING! Always use appropriate recline position for child's age and installation direction. Incorrect recline can compromise safety.

Safety Features

Advanced safety technologies for maximum protection.

Feature	Benefit
Steel alloy frame	Superior strength and durability
Side impact protection	Energy-absorbing foam and deep wings
5-point harness	Even distribution of crash forces
Adjustable headrest	Proper head and neck support
Premium fabric	Flame-retardant and breathable

Care & Cleaning

Remove fabric covers for cleaning. Use mild detergent and cold water.

CAUTION! Do not use bleach or harsh chemicals. Air dry only - do not machine dry. Never submerge harness straps in water.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Harness too tight/loose	Improper adjustment	Adjust harness tension; ensure proper slot height
Seat moves excessively	Loose installation	Retighten LATCH or seat belt; check for proper lockoff engagement
Child uncomfortable	Wrong recline position	Adjust recline angle; check harness positioning
Buckle difficult to operate	Debris or damage	Clean buckle mechanism; inspect for damage
Headrest won't adjust	Obstruction or mechanism issue	Check for fabric obstruction; ensure proper operation

Inspection: Regularly check for wear, damage, or expiration date.

Service: 1-855-463-4666; www.diono.com