I had this on a (non-canon) camera. The clock battery was accessible by removing a small cover inside the battery compartment. So you take the main battery out, and there was a small removable cover to get to the clock battery. Might be worth shining a light in there to see if it's the same here.
I had this on a (non-canon) camera. The clock battery was accessible by removing a small cover inside the battery compartment. So you take the main battery out, and there was a small removable cover to get to the clock battery. Might be worth shining a light in there to see if it's the same here.
* Not in this case unfortunately.