Cadillac XT5 Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

Compatible keys for Cadillac XT5

Before you order

• Match the year range — Cadillac changed key systems across model years. Check your registration year.
• Check your current key — the OEM number printed on your key matches the table above.
• Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

What frequency is the Cadillac XT5 key?

The Cadillac XT5 key operates on 433 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.

Which key fits my Cadillac XT5?

The Cadillac XT5 (2017-2019) uses the HYQ2EB 13510245 433MHz 46 Chip 4+1 Button (Rear Hatch) Smart Key for Cadillac XT5 XT4. Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Cadillac XT5 keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Can a Cadillac XT5 key be programmed without the dealer?

In most cases yes, using tools like Xhorse, VVDI or Autel. We can advise the right programmer for each key SKU.

Related: All Cadillac keys · All guides · Key Finder

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