Removing the back seats is super easy. To remove the back seats, the bench, look in front of the seats, left and right, there are two tabs. Flip those to unlock the seat then lift the bench, it should come off. See the video link for more details. Check under the seats, there are some connectors...
On my previous 2020 CX-5 NA I've had the same combination, Pennzoil Ultra Platinum 5W-30 and, most of the time ,93 V-Power Nitro from Shell. But I'd say it was running the same, whether it was Shell Nitro gasoline or H-E-B 93 premium gasoline or Chevron 93 gasoline or whatever. I can't say...
I don't have a local shop and I'd imagine that it would cost more than 600$ to just go to some shop and ask them to make an axle back for my car, I don't know. Paying for one already built seems to me the easiest route.
I would try to drill a small hole on the side, somewhere and dry it through. Then seal the hole.But this is just theory, not sure if the plastic won't crack and then you would have to replace the headlight anyway.
How did you improve the ground system? Added some bonding straps? Could you share some info on this? Maybe pictures? I'm thinking about adding some too.
I would check the canbus wire harness. Look for broken wires, inspect (visual inspection) the connectors for broken contact pins, bent pins, corroded etc. Do a pull test: gently pull the wires at the back of the connectors to see if any wire is broken or it's coming out of the connector. Look...
OK, checked it today again. It's a lot simpler than you think.
Grab your fob, go to the car.
Set the parking brake;
Put the gear lever into P;
Start the engine.
Adjust your seat to your linking.
Press Set button on the seat, you hear a beep;
Press and hold the unlock button on your fob until...
If I remember correctly:
First, adjust the seat to your liking.
1. Press Set button, you should hear a beep.
2. After you hear the beep press and hold button no. 1 until you hear another beep. All set, the seat memorizes the settings.
For your wife you can use button number 2 and repeat the...
The newer Mazdas, like CX- 5, CX-9 etc have electric steering and corrosion or poor connection between the battery and the cables leads to problems similar to yours. Clearly it's not the case in your situation. My apologies.