Vurkcy Key Fob Replacement for Cadillac CTS & STS 5-Button M3N5WY7777A — 315 MHz, Pre‑installed Battery

Vurkcy's 5-button key fob (M3N5WY7777A) is a full replacement remote for 2008–2015 Cadillac CTS and 2008–2011 STS push-button vehicles that delivers OEM-style functions including lock, unlock, remote start, trunk release, and panic. This replacement keyless-entry remote arrives fully assembled with electronics and a pre-installed battery, crafted from durable plastic and professionally tested to match factory operation. It uses the factory frequency (315 MHz) and fits the original button layout—confirming fitment before purchase avoids programming delays. Note that this unit requires professional cutting and dealer or locksmith programming and supports push-button start models only.

Will this fob work with my Cadillac model?

Check the FCC ID (M3N5WY7777A) and the part numbers (P/N 25943676, 25943677) against your original remote. It's designed specifically for 2008–2015 CTS and 2008–2011 STS vehicles; use the seller's vehicle fitment tool or your vehicle's owner information to confirm compatibility.

• Compatible models: 2008–2015 CTS, 2008–2011 STS
• Factory frequency: 315 MHz to match OEM systems
• Fits remotes with the same 5-button layout
• Verify original FCC ID and P/N before ordering

How is the key fob programmed and installed?

This remote does not support self-programming; it must be cut (if a mechanical key is needed) and programmed by a qualified dealer or locksmith. Professional programming ensures the remote communicates with your vehicle's immobilizer and remote-start features properly.

• Bring the vehicle and the new remote to a dealer or automotive locksmith
• Provide vehicle VIN and original remote details for quicker service
• Programming required for remote start and immobilizer sync
• Only compatible with vehicles that have push-button start systems

What quality and features can I expect from this replacement?

Manufactured from premium plastic, the Vurkcy remote is shock-resistant and pre-tested with professional locksmith equipment before shipping. It replicates factory functions—lock, unlock, remote engine start, trunk release, and panic—while arriving 100% new with electronics installed.

• Pre-installed battery for immediate readiness
• Professional pre-testing guarantees functional output
• Durable casing resists everyday wear and shocks
• Matches the factory remote's button layout and features

What warranty and support are included?

Vurkcy backs this key fob with a 24-month warranty and lifetime support to help with functional issues or returns. If the remote arrives non-working or you encounter problems, contact the seller for a free refund or return arrangement.

• 24-month warranty coverage
• Lifetime customer support for fitment or function issues
• Free refund or return if the unit is defective
• Contact seller for troubleshooting and replacement guidance

This replacement remote is ideal for owners of compatible Cadillac CTS and STS vehicles who need a reliable, factory-style remote without sourcing an original OEM unit. It's best for drivers with push-button start systems who can access professional cutting and programming services through a dealer or locksmith, and for anyone who wants a fully tested, warranty-backed key fob to restore remote entry and remote-start convenience.

FAQ

Q: Does this fob support self-programming?

A: No. This fob requires cutting and programming by a dealer or qualified locksmith; self-programming is not supported.

Q: Will it work with a regular keyed ignition?

A: No. This replacement only supports push-button start vehicles, not regular keyed ignition models.