2006 - 2014 Toyota Key Fob Battery Replacement

The guys are showing how to change the battery in the older style Toyota one piece key and fob. This style alarm remote was widely used among many Toyota and Scion models for a number of years. The example shown is the four button style. We believe that the three button style is the same procedure.
The battery is the CR2016 which needs to be noted since the battery thickness dimension is important.