Yes, it is! Create a text file named "config.ini" in "SD:/config/tesla/" (so the final path would be SD:/config/tesla/config.ini" and use this:
[tesla]
key_combo=L+DDOWN+RS //This is the default combination.
Here are the other keys you can use, courtesy of 0xNULL on page 15: A, B, X, Y, LS...