From the ford service manual
Preparation
1. Apply the parking brake.
2. Place the transmission selector lever in P (Park) - vehicles with automatic transmission or the neutral position - vehicles with manual transmission.
3. Turn the ignition switch to the OFF position.
4. Close all the vehicle...
unless your buying kiwi sheep skin?
https://www.seatcoverworld.com.au/sheepskin.html/?SID=4rgmimec5mco5j8fffht4oq447
check out neoprene also, its pretty good. You will still sweat in sheepskin.
Are you running this off the standard head unit? Anymore upgrades from this?
How is DSP working for with this change?
I turned DSP settings to driver the other day. Screw my passengers. I'm finding the top end very bitey in the ears all round.