If you have ever disassembled a car that had been submerged, you would know immediately that any attempt at "drying it out" is a waste of time. Printed circuit boards will show corrosion very quickly and no amount of drying will repair the effects of corrosion.
Every electrical connection needs to be thoroughly cleaned before anything is energized. The systems you are dealing with were never designed to be submerged and running power through them when they have any significant corrosion damage could cause serious problems, like an air bag blowing up in your face!
Not trying to be a bubble burster Ben, you have one chance to do it right. Figure out exactly where the water level was. It may have not even been into the passenger compartment. If not it could be a fairly easy fix. I considered it when I was bidding on a Prius C and the tech at the Toyota dealer told me all the air bag contols and modules were under the front seats. Not sure if he was right or not, but the thought of having to replace all of them kept my bid lower.
if you decide to come to Raleigh to look at the car, I would be glad to meet you somewhere and go with you to look at it.
regards
Mech
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