2019-2021 Cadillac XT4 Key Fob HYQ2ES for Keylessbest

2019 – 2021 Cadillac XT4 HYQ2ES Key Fob Replacement

Losing your car keys is an immediate source of stress, but finding a high-quality Cadillac XT4 smart key replacement shouldn’t be. I’ve prioritized reliability and ease of use with this HYQ2ES proximity key fob, specifically designed for the 2019-2021 XT4. This is a complete Cadillac keyless entry remote solution, featuring a durable casing and internal electronics that match the performance of your original equipment.

To save you time and extra trips to the store, every XT4 push to start key from Keylessbest comes equipped with a fresh, pre-installed CR2032 battery and an uncut HU100 emergency key blade.

Quick Specifications

Whether you need a spare or a primary 4-button Cadillac smart fob, this remote provides a seamless connection to your vehicle’s security system. I ensure each unit is tested to maintain strong signal integrity for features like remote start and proximity entry, giving you dealership-level quality at a fraction of the cost.

Durable 4-Button Cadillac XT4 Smart Key Replacement

I’ve ensured this HYQ2ES proximity key fob meets the highest standards for durability and performance. This Cadillac XT4 smart key replacement isn’t just a generic backup; it’s a precision-engineered 4-button Cadillac smart fob designed to match the weight and tactile feel of your original equipment.

Performance and Design Features

• Robust Housing: The outer shell is made from high-grade materials to resist cracks and impact damage from accidental drops.
• Complete Access: Includes the essential Cadillac XT4 remote start key button, allowing you to warm up or cool down your vehicle before you even step outside.
• Reliable Proximity: The internal transmitter is tuned for maximum range and stability, ensuring your Cadillac keyless entry remote works smoothly every time you approach the vehicle.

I offer these high-quality remotes through our online key fob shop to provide XT4 owners with a reliable alternative to inflated dealership prices. This replacement is built for the long haul, maintaining its finish and signal strength even after years of daily use. If you are unsure about your vehicle’s signal type, you can use our visual guide to identify 315MHz vs 433MHz keys to confirm this 433MHz remote is the correct fit for your Cadillac.

Technical Specifications for FCC ID HYQ2ES

When you are looking for an XT4 push to start key, the internal hardware is what matters most. I’ve made sure this remote matches the high-standard electronic requirements of your vehicle, featuring the Philips ID 46 encrypted chip for maximum security. It operates on a 433 MHz frequency, ensuring your Cadillac XT4 remote start key functions with the same range and reliability as the original.

Before you buy, it is helpful to understand the aftermarket key fob vs OEM differences to see why this high-quality replacement is the smartest choice for your budget.

This replacement fob is built to withstand daily wear and tear while maintaining a crisp signal. I provide these units with a pre-installed CR2032 battery and an uncut Cadillac XT4 emergency key blade, so you have everything ready for the locksmith right out of the box.

Compatible 2019 – 2021 Cadillac XT4 HYQ2ES Key Fob Models

This Cadillac XT4 smart key replacement is engineered specifically for vehicles equipped with a push-to-start ignition. To ensure this Keylessbest Cadillac remote is the correct match for your SUV, you must verify that your current remote utilizes the same technology and identifiers. I recommend checking the back of your original Cadillac proximity remote HYQ2ES or looking inside the battery compartment for the engraved FCC ID.

How to Confirm Compatibility

This XT4 push to start key is a perfect fit for those looking for a reliable Cadillac keyless entry remote without paying dealership prices. It supports all factory functions, including the Cadillac XT4 remote start key and panic alarm features.

If your vehicle falls within these production years and your existing remote features the 4-button Cadillac smart fob layout, this unit is the exact aftermarket Cadillac smart key you need. It replaces multiple part numbers including 13522872, 13591382, and 13544051. Always double-check that your frequency is 433 MHz to guarantee the signal communicates correctly with your XT4’s onboard computer.

How to Program Your Cadillac XT4 HYQ2ES Key Fob

Getting your Cadillac XT4 smart key replacement ready for the road involves two specific steps: professional programming and laser blade cutting. Because the HYQ2ES proximity key fob uses high-security encryption, it cannot be programmed using manual “onboard” DIY methods.

Professional Programming and Blade Cutting

I recommend skipping the expensive dealership service center and finding a reputable automotive locksmith. Most mobile locksmiths have the specialized OBDII diagnostic tools required to program Cadillac XT4 key fob remotes quickly and at a much lower price point.

• Programming: A professional will sync the Cadillac keyless entry remote to your vehicle’s computer system.
• Key Cutting: The locksmith will use a high-security cutter to mill the Cadillac XT4 emergency key blade so it matches your door lock perfectly.
• Function Check: Ensure the locksmith verifies the XT4 push to start key and remote start features are fully operational before finishing the job.

While the initial setup requires a pro, routine maintenance is something you can handle yourself. For example, you can learn how to replace Cadillac key fob battery in 5 minutes to keep your remote performing at peak signal strength without a trip to the shop.

Why I Recommend the Keylessbest Cadillac Remote

I stand behind our products because I believe Cadillac owners shouldn’t have to pay “luxury” prices for a standard replacement part. When you choose a Keylessbest Cadillac remote, you are getting a high-performance 2019 – 2021 Cadillac XT4 HYQ2ES Key Fob at a fraction of the cost you would find at a dealership.

• Massive Savings: Save up to 70% compared to local dealership markups.
• Uncompromised Quality: We ensure our fobs maintain original signal strength and long-range reliability.
• Durable Build: Every cheap Cadillac XT4 replacement key we sell is designed to withstand daily use without failing.

You can find this specific Cadillac proximity remote HYQ2ES and other accessories by browsing the Keylessbest shop, where we prioritize quality and customer savings above everything else.

Common Questions About the Cadillac XT4 HYQ2ES Fob

I get plenty of questions from owners looking for a Cadillac XT4 smart key replacement. Here are the quick answers you need to get back on the road without the dealership headache.

Can I program this remote myself?

For the 2019-2021 models, DIY programming usually isn’t an option because of the advanced security encryption. You’ll need to take this HYQ2ES proximity key fob to a professional automotive locksmith or a dealer to have it synced to your vehicle. If you have more general concerns about how our products work, you can browse our frequently asked questions for more details.

What battery does the XT4 remote use?

This remote runs on a single XT4 key fob battery CR2032. One of the best parts about buying from me is that I make sure a fresh battery is already pre-installed, so your remote is powered up the moment it arrives.

How do I confirm compatibility?

To ensure this is the right Cadillac proximity remote HYQ2ES for your XT4, check the back of your current fob or the internal circuit board for the FCC ID. If it matches HYQ2ES, this 4-button remote is the perfect fit.

If you’re still unsure about compatibility or need help identifying your part number, please contact our support team for expert assistance.

• Frequency: 433 MHz
• Chip: Philips ID 46 Encrypted
• Emergency Blade: Included (Uncut)
• Compatibility: 2019, 2020, and 2021 Cadillac XT4 models