As taken from the main site with some modifications.
The below instructions are for early 98 cars.
To program a new key:
· Buy a PATS key and have it cut.
· Using a currently working key, place it in the ignition and turn it ON until the dash lights come on.
· Turn the ignition off, remove key.
· Within 10(?)seconds, place the new key in the ignition, turn the ignition ON until the dash lights come on.
· Wait a few seconds for the PATS LED to stop blinking,
· Turn ignition off, remove key.
New key is now programmed. This will work for up to 16 keys. After that you have to go to the dealer to have the memory reset.
for the 98.5 and new cars you will need two keys to program a new key.
To program a new key:
· Buy a PATS key and have it cut.
· Using a currently working key, place it in the ignition and turn it ON until the dash lights come on.
· Turn the ignition off, remove key.
· Within 10(?)seconds, place the second working key in the ignition, turn the ignition ON until the dash lights come on.
· Turn the ignition off, remove key.
· Within 10(?)seconds, place the new key in the ignition, turn the ignition ON until the dash lights come on.
· Wait a few seconds for the PATS LED to stop blinking,
· Turn ignition off, remove key.
The below instructions are for early 98 cars.
To program a new key:
· Buy a PATS key and have it cut.
· Using a currently working key, place it in the ignition and turn it ON until the dash lights come on.
· Turn the ignition off, remove key.
· Within 10(?)seconds, place the new key in the ignition, turn the ignition ON until the dash lights come on.
· Wait a few seconds for the PATS LED to stop blinking,
· Turn ignition off, remove key.
New key is now programmed. This will work for up to 16 keys. After that you have to go to the dealer to have the memory reset.
for the 98.5 and new cars you will need two keys to program a new key.
To program a new key:
· Buy a PATS key and have it cut.
· Using a currently working key, place it in the ignition and turn it ON until the dash lights come on.
· Turn the ignition off, remove key.
· Within 10(?)seconds, place the second working key in the ignition, turn the ignition ON until the dash lights come on.
· Turn the ignition off, remove key.
· Within 10(?)seconds, place the new key in the ignition, turn the ignition ON until the dash lights come on.
· Wait a few seconds for the PATS LED to stop blinking,
· Turn ignition off, remove key.