Depending on what options you have and whether you have a factory second battery etc. the top dash fuse can be in different locations.
This first location is below the centre socket by the tray is highlighted below. The empty slot just below it is one of the Top Dash socket fuse locations.
The second location is under the left-hand seat (passenger seat in the UK)
California also has sockets in the roof, by the sink, C pillar and D pillar (boot). (sink and roof safe the same fuse)
The latest location discovered by @jimc91 is at the bottom of the left-hand holder.
This first location is below the centre socket by the tray is highlighted below. The empty slot just below it is one of the Top Dash socket fuse locations.
The second location is under the left-hand seat (passenger seat in the UK)
California also has sockets in the roof, by the sink, C pillar and D pillar (boot). (sink and roof safe the same fuse)
The latest location discovered by @jimc91 is at the bottom of the left-hand holder.
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