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See www.isuzufaq.com entry 41. "How do I reprogram my keyless entry fob?" The first procedure (turn key 3x, close & open door 2x, turn key 5x, close & open door) worked for my 2002 Rodeo.
To disable the factory alarm on a 2002 Isuzu Rodeo, you can try using the key fob to unlock the doors, as this typically disarms the alarm. If you don't have the fob, you can manually unlock the driver's door with the key. Alternatively, you can disconnect the vehicle's battery for a few minutes to reset the alarm system. If the problem persists, consulting the owner's manual or a professional may be necessary.
I have a jeep 1994 Jeep Grand Cherokee and found this answer on this site under programing a 1995 jeep Grand Cherokee. Its a very good description uses the same FOB.
This is normally done by a dealer or a locksmith that has the correct equipment.
To open the rear hatch on a 2001 Isuzu Rodeo, first ensure the vehicle is unlocked. Then, locate the latch located at the center of the hatch; you can either pull the handle or press the release button on the key fob if equipped. If the hatch is still stuck, check for any obstructions or issues with the latch mechanism. If needed, you can manually unlock the hatch from the inside by accessing the interior release lever.
How do you program a key fob to a 2003 Chevy Malibu
To program any kind of key fob you have to take it to a dealership.
How do I re program my key fob for renault laguna estate 1997?
You don't. Take the car and the new fob to a caddy dealer or a locksmith who has the equipment to program it.
A scan tool is required to program a fob on a 2006 Chrysler Town and Country.
how do i program keyless remote for 2000 Buick LeSabre