Description
Cadillac CTS / ATS / XT5 2014–2019
This premium 5-button smart key is designed specifically for the 2014–2019 Cadillac CTS and 2015–2019 Cadillac ATS / XT5. A precise OEM-grade replacement for FCC ID HYQ2AB, it restores full wireless control over your locks, trunk, and panic alarm. Each unit is compatible with part numbers 13598506 and 13594023.
Technical Specifications
| FCC ID | HYQ2AB |
| IC Number | 7812A-HYQ2AB |
| Frequency | 315 MHz |
| Buttons | 5 |
| Battery | CR2032 |
| Emergency Key Blade | HU100 |
| Part Numbers (PN) | 13598506 / 13594023 |
| Vehicle Compatibility |
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Common Questions
How do I verify this is the correct key for my vehicle?
Check the FCC ID printed on the back of your current key fob. If it reads HYQ2AB, this is your exact replacement.
Does this key need programming?
Yes. Professional programming by an automotive locksmith or dealership is required before the key will operate your vehicle.
What battery does this key use?
This smart key uses a standard CR2032 battery.
What is the HU100 emergency key blade?
The HU100 is the mechanical key blade profile used in this smart key. It allows you to physically unlock your vehicle door in case the battery is depleted. Professional cutting is required to match your vehicle.
Full Compatibility & Product Info
Searching for a Cadillac CTS smart key replacement or a Cadillac ATS / XT5 key fob? This 5-button proximity transmitter (FCC ID: HYQ2AB) is the exact replacement for part numbers 13598506 and 13594023. Engineered for 2014–2019 models, operating at 315 MHz. Emergency blade profile: HU100. Battery: CR2032. Keywords: Cadillac CTS key fob, Cadillac ATS smart key, XT5 keyless entry, HYQ2AB programming, 13598506 key fob, 315MHz Cadillac proximity key, HU100 blade, automotive locksmith key supply.
⚠️ Programming Required
This is a Smart Key that requires professional programming before use. Before ordering, please confirm your current remote matches FCC ID HYQ2AB.