2007 s80 computer issues

[Harbormaster]

My 2007 S80 v-8 AWD 155K miles has 'Parking brake' warning light on continuously. Then hood open, replace fob battery ect.. lights come on. Any idea what I can do to resolve this issue?

 

[irevan]

have u done diagnostic on CEM at auto repair shop to see if car computer has water damage ?