Description
Lexus Smart Key Fob Replacement
2018–2023Product Summary
OEM new 4-button smart key fob for select 2018–2023 Lexus LS500 and LS500h (Hybrid) vehicles. Compatible with FCC ID HYQ14FBF operating at 314 MHz. Includes CR2032 battery and LXP90 emergency key blade.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | OEM New |
| FCC ID | HYQ14FBF |
| IC Number | 1551A-14FBF |
| Frequency | 314 MHz |
| Buttons | 4 Button (Lock, Unlock, Trunk, Panic) |
| Part Number | 8990H-50020, 8990H-33020 |
| Battery | CR2032 (Included) |
| Emergency Key | LXP90 (Included) |
Vehicle Compatibility
- Lexus LS500: 2018–2023
- Lexus LS500h (Hybrid): 2018–2020
Frequently Asked Questions
How do I know if this is the correct key for my vehicle?
To confirm compatibility, match your original remote's FCC ID (HYQ14FBF), part number (8990H-50020 or 8990H-33020), button count, and frequency (314 MHz) with this listing.
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. The included LXP90 emergency key blade must be cut by a professional before use.
What is included with this key?
This listing includes the main smart key fob, internal electronics, battery, and an LXP90 emergency key blade inside the fob.
Professional programming and key cutting are required for this product. Please confirm all product details and compatibility before purchase.

