Skip to main content

Free shipping from $250 · Order by 4 PM ET Mon–Fri ships same day

Shop Bundle & Save
Car Key SourceLocksmith Supply
info@carkeysource.com Sign inApply for trade pricing
Catalog
Universal KeysBundle & SaveShop by MakeFind My KeyScan a KeyInstant QuoteWholesaleGuides
(855) 522-7539
Resources

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.

Reference

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.

41 termsOpen glossary
How-To

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.

7 min readRead guide
Buying

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.

6 min readRead guide
Buying

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.

6 min readRead guide
Guides

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.

6 min readRead guide
How-To

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.

7 min readRead guide
How-To

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.

7 min readRead guide
Guides

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.

7 min readRead guide
Replacing the battery in a key fob
How-To

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.

6 min readRead guide
OBD key programmer connected at the port inside a vehicle, new aftermarket fob on the seat
Programming

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.

8 min readRead guide
A proximity smart fob and a remote-head flip key side by side
Guides

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.

7 min readRead guide
Several key fob types arranged in a row beside a notepad
How-To

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.

6 min readRead guide
Uncut key blanks and a key-duplicating machine mid-cut
Guides

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.

6 min readRead guide
A hand pressing a button on a black car key fob
How-To

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.

7 min readRead guide
Close-up of the back of a key fob showing the regulatory label area
Guides

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.

6 min readRead guide
A key fob opened with a coin beside a CR2032 battery
How-To

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.

9 min readRead guide
Macro of a car key opened to reveal the transponder chip and coil
Guides

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.

8 min readRead guide
A technician programming a key fob with an OBD diagnostic tool
Buying

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.

8 min readRead guide
How-To

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.

6 min readRead guide
Two near-identical black key fobs side by side
Trade

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.

6 min readRead guide
Put it to work

Know the part? Price the order.

Get an instant estimate with no account, or apply once to unlock gated trade pricing.

Get an instant quoteKeys by vehicle Apply for an account
Makes we coverToyotaHondaFordNissanHyundaiDodgeChevroletKiaLexusMazdaAll vehicles
Right part, first time
Order by 4 PM ET Mon–Fri ships same day
30-day trade returns
Real locksmith trade support
Car Key SourceLocksmith Supply

Wholesale locksmith & automotive key supply for the trade across the US & Canada — smart keys, transponder keys, keyless entry remotes, remote-head & flip keys, quality aftermarket, every SKU labeled. Full locksmith line rolling out. Trade-only, locksmith-run.

(855) 522-7539Toll-free info@carkeysource.comU.S. office2121 Biscayne Blvd, Miami FL 33137

Mon–Fri, 8am–6pm ET

Ships from the USA · Shipping across the US & Canada

US U.S.-based stock & trade support · Priced in USD

Restock alerts & new-stock drops

One short email when it matters — new stock, restocks, trade tips. No spam.

Shop by type

  • Smart keys & fobs
  • Keyless entry remotes
  • Remote head keys
  • Remote & flip keys
  • Transponder keys
  • Universal keys (Xhorse & Autel)
  • All products A–Z
  • FCC ID directory

Wholesale

  • Apply for an account
  • Volume pricing
  • Shop by make
  • Shipping & returns

Company

  • About
  • Guides & resources
  • Trade glossary
  • Find My Key
  • Contact

Legal

  • Terms of Service
  • Privacy Policy
  • Refund & Returns
  • Shipping

© 2026 Car Key Source. All rights reserved.

For the trade · wholesale only

Trade desk
CallCatalog