Should be a simple battery change to fix the issue. Make sure to do them both.

 

Yep, just do them both and there shouldn't be any issues.

 

CR2032 battery.

Remove the mechanical key and use the tip to pop the case open.

 

If you have a very small flat blade screw driver, that helps in getting the FOB open.
I'm amazed it took 4 years for the battery in the FOB to get weak. I change mine out in 2 years or less. The CR2032 battery is common, so you can get them anywhere.

 

Change both fob's batteries at the same time. These batteries have only a little more life if not used as when used, and after they go dead, they can leak.

 

Interesting timing. I just received the 'weak message' a few days ago. 3 years and 1 month for mine. Ultra cheap on ebay w/ free shipping. Name brands too as I don't buy the mongrel stuff. I bought Energizers for $2.65 for two.

 

I store my spare fobs with the batteries removed.

 

Both my fobs are always in the Fobguard pouches when I'm at home. No communication to wear down the batteries. 1st change was at 3 years and second about the same. One fob never used

A Guy

 

The battery in the key fob is a Panasonic CR2032. You can buy them cheap on EBay.

The replacement steps are very easy (don't go to the dealer):

1. Remove the valet key by pushing on the slide and pulling it straight out.
2. Using a thin-bladed screwdriver or a knife edge, unsnap the key fob by
gently prying around all of the edges.
3. One the key fob splits apart, simply pull out the old battery and insert the
new one. (Don't worry, unlike some watches, there are no loose parts
inside).
4. Handle the new battery around the edges and push it into place using
your thumb and index finger (Tip- Use a small piece of paper towel, or rubber gloves, to
avoid getting any hand oil on the new battery and angle the battery in
towards the silver retaining clips).
5. Align the two halves of the key fob and snap them together.
6. Reinsert your valet key.
7. Test your locks to insure that they are working.

You are done (less than 5 minutes)!

 

Thank You for all the replies. It was very easy! A couple of days later Amazon delivered my order Duracell cr2032 2 pack $5.98. To bad it arrived in a shoebox sized box!