Boston Scientific SCS implant 6/24/2014

After searching the net I found only two posts from people who said they gets electric jolts when lightening is near. One also claimed she received jolts when going through walk-through scanner at Walmart (but she also claimed her taste buds and vision changed for awhile). One other stated getting electric jolts while using a computer.
I live in an area where lightening storms are frequent with bolts striking in the back yard, twice having direct hits to the house. Has anyone out there ever received an electrical jolt for any reason after SCS implant?
Should those with implants turn the SCS off during electrical storms?

I keep the SCS on most of the time and have yet to set off a store alarm. I am not testing the therory, I just forget to turn it off. Has anyone set off an alarm?