Description
Lexus Smart Key Fob Replacement
2009–2013Product Summary
Aftermarket 4-button smart key fob for select 2009–2013 Lexus ES350, IS Series (IS250 / IS350 / IS C), GS Series (GS350 / GS450h / GS460), LS Series (LS460 / LS600h), and HS250h vehicles. Compatible with FCC ID HYQ14AAB operating at 315 MHz. Includes CR1632 battery and LXP90 emergency key.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | HYQ14AAB |
| IC Number | 1551A-14AAB |
| Frequency | 315 MHz |
| Buttons | 4 Button (Lock, Unlock, Trunk, Panic) |
| Part Number | 89904-50380 |
| Battery | Included (CR1632) |
| Emergency Key | LXP90 |
Vehicle Compatibility
- Lexus ES350: 2009–2012
- Lexus HS250h: 2010–2013
- Lexus IS250 / IS350 / IS C: 2009–2012
- Lexus GS350 / GS450h / GS460: 2009–2011
- Lexus LS460 / LS600h: 2009
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, part number, button count, and frequency 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, and battery. The LXP90 emergency key blade is also included inside the fob.
Professional programming and key cutting are required for this product. Please confirm all product details and compatibility before purchase.

