A 2008 Jeep Grand Cherokee Key Fob Programming Instructions
You must have two working programmed keys to perform this
procedure. If you do not have two working original keys you will need to have
your new key programmed at a dealer or auto locksmith.
1. Insert first programmed key into ignition and turn
ignition switch to ON for 5 seconds. Do not exceed 15 seconds.
2. Turn ignition switch to OFF and remove key.
3. Insert second programmed key into ignition and turn
ignition switch to ON. You must do this within 15 seconds of removing first
key. After 10 seconds the immobilizer warning lamp will illuminate and an
audible tone will be heard.
4. Turn ignition
switch to OFF and remove key.
5. Within 60 seconds insert new un-programmed key into
ignition and turn ignition switch to ON.
6. After 10 seconds an audible tone will be heard and the
immobilizer warning lamp will illuminate for 3 seconds.
7. Turn ignition switch to OFF and remove key.
8. For each additional key to be programmed you must start
at step 1 and follow procedure again. You can have up to 8 keys programmed to
vehicle.
