Brand New Genuine factory/OEM  GM Keyless entry key fob remote for your  2003, 2004, 2005, 2006 , 2007 Hummer H2.  If you have lost your original key fobs, or simply need replacment fobs,  this is the part you need!  These fobs must be programmed to your vehicle. Programming is easy, and instructions can be found in your owners manual (but are also included below)  Please remember that your vehicle must already have a factory installed keyless entry system for this  keyless remote to work. If you have an aftermarket keyless entry system, or if your car did not come equipped with the keyless entry option, this key fob will not work for you.  

This item replaces GM part numbers: 

21997127, 15186200 #1, 15186201 #2, 15132197 #1, 15132198 #2, 10377295, 22730827, 15186203

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Programming Instructions

1. Close all vehicle doors.
2. Insert the key into the ignition and wait until the dome light turns o.
3. Hold down the power UNLOCK button on the driver’s
door panel-continue to hold down until instructed to release
in step 9.
4. Perform steps 5 through 8 in fairly rapid succession.
5. Turn the ignition switch to the ON position (as far as you can
go without starting the engine).
6. Turn the ignition switch to the OFF position.
7. Turn the ignition switch to the ON position.
8. Turn the ignition switch to the OFF position.
9. Release the power unlock button on the door panel. The vehicle will
lock and unlock the doors automatically.
10. Hold down the LOCK and UNLOCK buttons on the transmitter
simultaneously until the door locks and unlocks.
This step may take up to 30 seconds.
11. Repeat step 10 NOW for each additional transmitter (including any
existing transmitters).
12. Turn the ignition switch to the ON position in order to exit the
transmitter programming mode.