A couple of questions.
What kind of seat coverings do the three vehicle you mentioned have, (leather/cloth)?
Exactly how does the cardiologist know what kind of shock your daughter received?
One thing to think about. Several years ago Honda fitted Accords (non Hybrids of course) with tires of high silica/low black carbon content for low rolling resistance. The unexpected effect was a higher than normal amount of static charge on the vehicle after driving at highway speeds because the lower carbon content did not allow the buildup to dissipate as well as conventional tires. Guess who noticed the difference first?
Toll booth attendants!!!
When the owner would stop to pay the toll and they handed the money to the attendant the attendant would get zapped with noticeably greater force than other vehicles. I guess this happens a lot to attendants.
Does anyone know if the Escape Hybrid tires are similar?