Richard:Get a map, throw it on the pax seat, take off in the rough direction you need ...
Nizzy: Just some quick measurements of the bit that fits between dash and heater vents would be a great help. This looks like the bit which would be fiddly to get a good fit.
Blaque: As you're the "copyright holder" may I ask permission to share the info around any interested Elise drivers down here? Maybe even put some info on the very useful SELOC tech wiki?