Run something thin around the seam on the FOB from the rear forward...be gentle but consistent and the cover will pop up. Battery will be under the little protector. The battery is a 2025. I replace mine about every year or so. If you think about it, the car is constantly talking to the FOB making sure it's in range of the system.
ATX Crystal White Pearl Hatch - GT, Tech, Bose, Tint. CS SRI, Tripoint Engineering RSB and end-links. Eibach Pro Kit, Dynamat all around, Crager 17" Touring Wheels and Tourevo touring All-Season rubber. LED High Mount, LED this and that.