Jeep 2008 Patriot Owner's Manual page 27

1. If the RKE transmitter is equipped with a screw,
remove the screw. With the RKE transmitter buttons
facing down, use a flat blade to pry the two halves of the
RKE transmitter apart. Make sure not to damage the
elastomer seal during removal.
Separating RKE Transmitter Halves
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 25
2. Remove and replace the batteries. Avoid touching the
new batteries with your fingers. Skin oils may cause
battery deterioration. If you touch a battery, clean it with
rubbing alcohol.
3. To reassemble the RKE transmitter case, snap the two
halves together.
NOTE: If the RKE transmitter is equipped with a screw,
reinstall and tighten the screw until snug.
2