MechanMagic Push-Button Smart Key Fob Replacement for Chevrolet & Buick 2010–2021 — Preassembled with Battery & Proximity

MechanMagic's push-button smart key fob replacement restores remote start, lock/unlock and proximity convenience for compatible Chevrolet and Buick models from 2010–2021.

If your original keyless remote was lost, damaged, or stopped communicating with your car, this fully assembled MechanMagic key fob offers a direct-fit electronic replacement for many GM push-start vehicles. It arrives with the circuit board and battery installed so you can program it to your vehicle, and the uncut mechanical blade can be matched locally. The shell replicates factory functions for cars that use smart proximity (push-to-start) systems rather than standard keyed ignition.

Which vehicles and part numbers will this MechanMagic fob work with?

This replacement is designed for a range of Chevrolet and Buick models that used GM smart proximity systems between 2010 and 2021. It corresponds to several OEM part and FCC identifiers commonly associated with push-button start remotes.

• Compatible makes/models include: Chevrolet Camaro, Equinox, Cruze, Malibu, SS, Impala, Traverse; Buick Allure, Lacrosse, Regal, Verano, Cascada, Enclave (specific years vary).
• Matches FCC IDs: OHT05918179, OHT01060512, P4O9MK74946931.
• Fits OEM part numbers such as 13574863, 13504204, 13576143 and others.
• Not intended for vehicles with conventional (non-proximity) keyed ignitions.

How do I program the MechanMagic key fob to my car?

Programming is done vehicle-side and can be completed yourself using the step-by-step instructions provided with every order. The fob ships with electronics and a battery already installed so you can begin the programming sequence right away; complex dealer-only procedures are not required for most compatible models.

• A clear self-programming guide is included with each purchase.
• Follow vehicle-specific timing and button sequences as shown in the instructions.
• For any difficulties, a locksmith or automotive shop can assist with programming.
• The mechanical key blade is uncut — have it cut locally to match your door/valet key needs.

What functions will this replacement key fob perform once programmed?

Once paired, the MechanMagic fob restores remote locking, unlocking and proximity detection where supported by the vehicle. If your car uses passive entry and push-button start, this remote will allow hands-free access and engine start like the original unit.

• Remote lock and unlock buttons replicate factory behavior.
• Proximity detection works for vehicles equipped with smart entry systems.
• Includes onboard battery and electronics for immediate setup.
• Supports push-button engine start; not for traditional keyed ignitions.

What should I know about installation, battery, and warranty?

The fob is shipped ready-to-program with the battery and internal electronics in place; installation requires only pairing to your vehicle and cutting the blade if you need a physical key. Keep in mind that this product is a replacement remote — it does not replace immobilizer programming that some dealers may require for theft-deterrent systems.

• Battery included and installed for convenience.
• Uncut metal key blade needs local cutting to match your vehicle's locks.
• If vehicle requires dealer immobilizer reset, professional help may be necessary.
• Each order includes programming instructions to guide self-setup.

Who is this for? This MechanMagic replacement key fob is aimed at owners of compatible Chevrolet and Buick push-button start models who want a cost-effective, ready-to-program alternative to an OEM remote. It's a practical option for drivers replacing a lost or broken fob, for purchasers seeking a backup remote, and for automotive DIYers comfortable following step sequences or working with a locksmith to cut the mechanical blade. If you need guaranteed dealer diagnostics or integrated immobilizer reprogramming, consult your dealership or a qualified technician before purchasing.