2015 Prius c - maintanance for for 6 weeks of not using

easiest would be to put a trickle charger on it in the car. you don't have to remove anything. there is a jump point in the fuse box under the hood that is easy to connect to.

if you'd rather leave it at the airport, yes, jump pack, but you'll kill the battery, so plan on a new one soon.
tires to max sidewall, and yes you can drive it safely at speed limit

 

The c One trim doesn't use smart keys or anything like that, so there will be less parasitic drain than other models.

That said, if it were me?

I'd make sure the tires were up to normal pressure before going, and I'd disconnect the battery once parked. Take one key with me for convenience and leave the other at home for safekeeping.

And that's it. I don't think you should have to do anything else. 6 weeks is not difficult. 6 months would be a different story.

 

You could make sure the hybrid battery is charged up by putting the car in drive and with your foot on the brake floor the accelerator. This is caused "force charging."

 

If you're going to disconnect it, do it under the back seat.

Some configurations of the Prius even include an easy quick-disconnect integrated into the current measuring system in the "pod" thingy on the + terminal. If yours has that, you can pop it off and click it back on without tools. Worth a quick check in advance. Otherwise, take the ground strap off with a 10mm wrench and leave the wrench in the car.

 

yes, they do need to be plugged in. if you are leaving it at the airport, follow leadfoots advice.

 

I remember when I first saw that 12v Battery switch in a Prius C... I was like, why don't they do this in all the Prius?

 

Also, let us know where the airport parking is cheap enough to leave it there 6 weeks. Inquiring minds want to know.