Guides & know-how for the trade
Straight-talking guides on FCC IDs, key programming, transponder chips, fob batteries, cross-references and smart stocking — written by and for working locksmiths.

The Automotive Key Glossary
41 trade terms defined properly — FCC IDs, transponder chip families, PEPS, rolling code, all keys lost and the rest of the language of the job.

Ford Key Fob Battery Replacement: F-150, Explorer, Escape & More
A locksmith's guide to Ford key fob batteries: CR2032 vs CR2450 by fob type, safe opening steps, and when it's not the battery.

Autel Key Programmers for Locksmiths: MaxiIM, IM508 & KM100 Compared
A locksmith's buyer's guide to the Autel MaxiIM lineup — IM508, IM608 and KM100 — covering what each tool programs and its real limits.

OBD2 Scanners That Program Key Fobs: What Actually Works
What OBD2-based programmers can and can't do for key fobs, the tool categories locksmiths actually use, and what matters more than the scanner.

Honda & Acura Key Fob Replacement: Types, FCC IDs, and Programming
Honda and Acura fob replacement explained: remote head keys vs smart keys, the FCC IDs to know, programming routes, and typical costs.

How to Change the Battery in a Toyota Key Fob
Toyota smart keys take a CR2032, remote head keys usually a CR2016. How to open each fob type, swap the cell, and drive with a dead fob.

How to Change the Battery in a Honda Key Fob
Every Honda and Acura fob generation takes a CR2032. Here is how to open each shell without cracking it, and what to check if that does not fix it.

Toyota Key Fob Replacement: A Locksmith's Sourcing & Programming Guide
Which Toyota fob fits, how it programs, and what it should cost — a working guide to G-chip, H-chip and smart proximity keys by FCC ID.

How to Change the Battery in a Nissan Key Fob
Change your Nissan key fob battery the right way: exact battery type and opening steps for every Intelligent Key and remote generation.

Key Fob Programming: A Guide for Common Makes
Step-by-step key fob programming instructions for Ford, GM, and Chrysler proximity systems. A trade guide for locksmiths, with the right keys to stock first.

Car Key Types Explained: Smart Keys, Flip Keys, Remote Head & Transponder
From plain metal blades to proximity fobs: the seven car key types, how to identify each one, and what replacement and programming involve.

How Much Does Key Fob Programming Cost? (2026 Pricing Guide)
Typical 2026 key fob programming costs, from $50 remote pairing to $600+ all-keys-lost — and why a locksmith usually beats the dealer.

Reading Key Blank Cross-References (Ilco, JMA, Silca)
Every key blank goes by several names. How to read Ilco, JMA and Silca cross-references, decode blank codes and avoid wrong orders.

How to Program a Key Fob: Onboard vs Tool Programming
Remote pairing and transponder programming are different jobs. Here's how each works, which cars support DIY onboard programming, and when you need a tool.

Where to Find the FCC ID on a Key Fob (and Why It Guarantees Fit)
The FCC ID printed on every key fob identifies its exact radio. Where to find it, how to read a worn label, and how to order with it.

How to Change a Key Fob Battery — Every Major Brand
Step-by-step key fob battery replacement for every major brand: which coin cell you need, where to pry, and what to do when a new battery doesn't help.

Transponder Keys Explained: Chips, Cloning & Programming
What a transponder key is, how the immobilizer handshake works, the major chip families by make, and when to clone versus program a key.

Choosing a Key Programmer: Autel vs Xhorse vs OBDSTAR (2026)
Autel, Xhorse and OBDSTAR compared for working locksmiths: real coverage strengths, token costs, and which key programmer to buy first.

Original Lishi 2-in-1 Tools: Pick, Decode and Cut Faster
What a Lishi 2-in-1 does, how to pick and decode with one, the automotive keyways to own first, and how to keep the tool in calibration.

Which Key Fobs Are Worth Stocking on the Van
A coverage-tier framework for van stock: which fobs earn shelf space, where universal remotes fit, and how to source the long tail fast.
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