Changing the battery in the key fob

[Ridgemanron]

Even though the life of the battery is supposed to be
three years, Lotus recommends changing it every 12
months. Note that once you open the fob, the sketch
of the inner workings in the manual leads you to think
that it just 'pop's up and out'. In actuality it slides out.
Making sure not to touch anything but the outer edge
of the battery, which is directed by the manual, I slid
the new battery in (back to front, inside the clip) and
closed the fob up. Not sure if I had remembered to wait
10 seconds before putting the battery in but I believe
I had. Now ready to test the fob I brought it close to
vehicle's door and pressed the big button. No response
came forth. I then remembered to hold both buttons down
for a full 10 seconds and then, seconds later, the
re-programming was complete. Whew! Didn't think the
changing of a fob battery required having the manual at
hand but in my case it sure did.