Cmos Battery replacement on Satellite Pro M10-S405

[shellanator]

Hello;
Is there a way to find an exploded view that shows where the CMOS battery is located in my Toshiba Sat. Pro M10-S405SB, I will wait an answer.

Thank yo for your time.

Shell :

 

[SARATHoR]

the cmos battery looks like a wrist watch's battery but bigger you just have to remove it and insert a new one only do it when the pc is off