Recently, the drivers heated seat has developed an intermittent issue where sometimes when I turn the heater on, the light on the switch flickers and I hear a click underneath the seat. The passenger seat works fine.

Can anyone please suggest some trouble shooting steps. I thought it might be the fuse, but I believe both seats run off the same fuse and as the passenger seat doesn't have the issue could it be that?

A bad connection or failing really could cause problems.

Or the elements in the heater pad could be degrading leading to a short?