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GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Programming a master key

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Old Jul 2, 2007 | 11:37 AM
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Default Programming a master key

Whats up all. I just bought a spare master key (used) in ebay. Does anyone know if reprogramming is something I can do, and if so does anyone know the procedures to do it, or do I have to hand my wallet over to the dealership to get it done?
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Old Jul 2, 2007 | 11:43 AM
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i think there have been threads about reprogramming keys already.
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Old Jul 2, 2007 | 12:10 PM
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Insert active key into ignition.

Press and Release accelerator pedal 5 times within 15 seconds.

Press and release brake pedal 6 times within 20 seconds.

Insert new key within 10 seconds.

Press and release acceleraor pedal 1 time within 10 seconds. Security light
should flash.

After one minute security light should turn off. Press accelerator pedal once within 10 seconds to complete the registration process.

Your new key should work!
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Old Jul 2, 2007 | 12:43 PM
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Originally Posted by BccGS300
Insert active key into ignition.

Press and Release accelerator pedal 5 times within 15 seconds.

Press and release brake pedal 6 times within 20 seconds.

Insert new key within 10 seconds.

Press and release acceleraor pedal 1 time within 10 seconds. Security light
should flash.

After one minute security light should turn off. Press accelerator pedal once within 10 seconds to complete the registration process.

Your new key should work!
Thanks for the info. Since the key is used, am I able to reprogram the remote or can you only program a new remote?
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Old Jul 2, 2007 | 08:31 PM
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wow i paid 250 worth of labor for the dealer to do that...wow
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Old Jul 2, 2007 | 09:14 PM
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Originally Posted by skeoripper
wow i paid 250 worth of labor for the dealer to do that...wow
...what does the bill say?? Not sure if you are jipped, but it's kinda hard to believe (or might not), considering they program it for free if you buy the key from them. Unless you didn't buy the key from them.
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Old Jul 2, 2007 | 09:20 PM
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Originally Posted by BccGS300
Insert active key into ignition.

Press and Release accelerator pedal 5 times within 15 seconds.

Press and release brake pedal 6 times within 20 seconds.

Insert new key within 10 seconds.

Press and release acceleraor pedal 1 time within 10 seconds. Security light
should flash.

After one minute security light should turn off. Press accelerator pedal once within 10 seconds to complete the registration process.

Your new key should work!

That's the most rediculous thing i've ever heard.


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Old Jul 2, 2007 | 09:49 PM
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Originally Posted by David1969
That's the most rediculous thing i've ever heard.
Not if it works...

Also - here's a old post I made. These were the step I took to program the new key. It's a 2 step programming.

Originally Posted by michaelvanle
FOR CARS WHERE YOU WANT TO CREATE A SPARE KEY:
Before starting, press and release the Brake and Accelerator pedals at the same time.
1. Place an already programmed Master key in the keyway (Do not turn on)
2. Press the Gas pedal 5 times.
3. Press the Brake pedal 6 times.
4. Pull out the key.
5. Insert the new key but DO NOT turn it on.
6. Press the Gas pedal just 1 time and wait until the security light stops blinking (about 1 minute).
7. Remove the key and press the Brake pdeal 1 time. The cycle is now closed.
The programming mode will end after 10 more seconds.

REGISTRATION OF RECOGNITION CODE
1. Open driver door, keep it open and in the unlocked position (all other doors should be closed)
2. Put original key in ignition and pull out
3. Lock and Unlock the doors 5 times (complete each lock/unlock cycle within 1 second and
entire process in 40 seconds or less)
4. Close the door and open the door
5. Lock and Unlock the doors another 5 times (complete each lock/unlock cycle within 1 second and
entire process in 40 seconds or less)
6. Put the new Master Key in the ignition, turn it to "on" and then off (with 1 second) and remove from the ignition.
7. Press and hold transmitter LOCK and UNLOCK buttons simultaneously for at least 1.5 seconds,
and then within 3 seconds; press any transmitter button for at least one second.
8. If within 3 seconds, door locks cycle one time, new transmitter code was accepted. If door locks
cycle 2 times, new transmitter code was not accepted. If code was not accepted retry step 8 again.
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