YDTHTLAH Smart Key Fob Replacement for Chevy Blazer/Traverse/Trailblazer & Bolt EV (2021-2024) — Proximity 433MHz, Pre‑installed B

YDTHTLAH Smart Key Fob replacement is a fully tested aftermarket proximity remote that fits select 2021–2024 Chevrolet Blazer, Traverse, Trailblazer and 2022–2024 Bolt EUV/Bolt EV models (FCC ID: HYQ4ES, 433 MHz).

If your original key fob is lost, damaged, or the buttons are worn out, this YDTHTLAH replacement offers an economical way to restore remote lock/unlock and proximity functions. The unit ships with a pre-installed battery and factory-tested electronics, but note that it is an aftermarket unit without manufacturer branding and requires professional programming and key cutting before it will work with your vehicle.

Will this key fob work with my Chevrolet?

This replacement is compatible with Chevrolet models that use FCC ID HYQ4ES and operate on 433 MHz. It fits specific part numbers and model years, so double-check your original fob or vehicle documentation before ordering.

• Compatible FCC ID: HYQ4ES
• Compatible part numbers: 13535665, 13530712
• Fits: Chevy Blazer, Traverse, Trailblazer (2021–2024) and Bolt EUV/Bolt EV (2022–2024)
• Frequency: 433 MHz — confirm with your existing fob

How do I get this fob to work with my car?

Programming must be completed by a professional locksmith or dealership. This product does not support user self-programming and also requires cutting the metal key to match your vehicle’s ignition or mechanical lock.

• Bring the fob and vehicle to a locksmith or dealer for cloning/programming
• Provide proof of ownership if required by the service provider
• Have the metal key blade cut to your vehicle’s key profile
• Verify all remote functions (lock/unlock, trunk, panic, proximity) after programming

What should I expect from build quality and included items?

The YDTHTLAH replacement arrives brand-new with a battery already installed and electronics tested before shipping. It is an aftermarket part — it won’t carry OEM logos — but is inspected to ensure signal and button operation meet expected standards.

• 100% new housing, circuit board and buttons
• Pre-installed battery for immediate bench testing
• Professionally tested electronics for reliable signal transmission
• Aftermarket product: no OEM branding or packaging

What are the purchase, warranty and support terms?

YDTHTLAH offers limited post-sale support and a short-term replacement/refund window. If you encounter issues, contact customer service promptly with order details so they can assist.

• Support available within 24 hours for purchase or setup questions
• Refunds or replacement service provided within 3 months if eligible
• Keep proof of purchase and vehicle details when contacting support
• Professional installation costs are not included

Who is this for? This YDTHTLAH smart key fob replacement is suited for Chevrolet owners who need a cost-effective substitute for a lost or faulty factory remote and who can access professional locksmith or dealer programming. If you require original-branded parts, dealer-supplied remotes, or DIY self-programming, consider those alternatives; otherwise this option restores remote and proximity convenience at a lower price while meeting the listed compatibility and service requirements.