Description
Lexus Smart Key Fob
2020–2022OEM new 4-button smart key fob for select 2020–2022 Lexus RX350 / RX450h, NX300 / NX300h, LX570 vehicles. Compatible with FCC ID HYQ14FLB operating at 315 MHz. Includes CR2032 battery and LXP90 emergency key.
Technical Specifications
| Product Type | Smart Key Fob |
| Key Type | Proximity Smart Key |
| Condition | OEM New |
| FCC ID | HYQ14FLB |
| IC Number | 1551A-14FBB |
| Frequency | 315 MHz |
| Buttons | 4 Button |
| Part Number | 89904-48V80 |
| Battery | Included |
| Battery Size | CR2032 |
| Emergency Key | LXP90 |
Vehicle Compatibility
- Lexus RX350 / RX450h: 2020-2022
- Lexus NX300 / NX300h: 2020-2021
- Lexus LX570: 2020-2021
Common Questions
How do I know if this is the correct key for my vehicle?
To confirm compatibility, match your original remote’s FCC ID, part number, button count, and frequency with this listing. Your vehicle should also match the compatibility information shown above before purchase.
Can I program this key myself?
In most cases, no. This type of smart key fob typically requires professional programming using locksmith or dealer-level equipment. If an emergency key blade is included, it may also need to be cut before use.
What is included with this key?
This listing includes the main smart key fob, internal electronics, and battery when specified. If applicable, the emergency key type for this listing is LXP90. Please review the specifications and photos carefully to confirm all included components.
Full Compatibility & Product Details
This lexus smart key fob is designed for 2020–2022 Lexus RX350 / RX450h, NX300 / NX300h, LX570 and supports lock, unlock, panic, and trunk/remote function depending on the vehicle configuration.
It is important to verify the FCC ID, part number, frequency, battery size, and emergency key type before purchase to ensure proper fit and function.
This key is commonly used as a replacement for lost or damaged remotes and may also be purchased as a spare for everyday use.