Pontiac 2002 Grand Prix - Manual (Page 84)

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Before your vehicle was shipped from the factory, it was
programmed to Mode 1. The mode to which your
vehicle was programmed may have been changed since
it left the factory. To determine the mode to which your
vehicle is programmed or to program your vehicle to a
different mode, do the following:
1. Follow the instructions for “Entering Programming
Mode” listed previously.
2. Insert a second ignition key fully into any door key
cylinder and turn it to the unlock position.
This step is necessary to prevent accidental
programming of this feature to Mode 2. Do not
program this feature to Mode 2 without first reading
the note contained in the description for that mode.
The door key lock cylinder must remain in the
unlock position during Steps 2 through 4.
3. Press the horn symbol on the remote keyless
entry transmitter.
4. Count the number of chimes you hear. The number
of chimes tells you which mode the vehicle is set for.
If you do not wish to change the current mode, you
can either exit the programming mode by following
the instructions earlier in this section or program the
next feature available on your vehicle.
5. Press the horn symbol on the remote keyless entry
transmitter again to change the current mode.
6. Repeat Step 5 until you hear the number of chimes
that matches the mode you want.
7. Remove the key from the door key cylinder.
The mode you selected is now set. You can either exit
the programming mode by following the instructions
earlier in this section or program the next feature
available on your vehicle.