content: This was one of the worst Sci Fi movies ever! You have to turn the car off or the EM pulse will fry it? Pretty sure it will still fry the electronics when it's off, probably won't kill you though. The big Army truck gets fried as do the guys in it and the good Dr says it fried the the battery and starter. He whips out his cute little red tool box and swaps the battery and alternator from their Jeep Liberty and the big diesel starts! Yeah, right. Apparently the biggest nuclear bombs ever made are pretty light, it only took four guys to load them into the truck, how did they get them into the Russian sub that just happened to be on the west coast? An old Russian Diesel sub can make it to the bottom of the Marianas Trench? 36,000 feet down? Really? And the guy with the pacemaker, why didn't the earlier EM pulses fry his pacemaker? These are just some of the gross abuses of reality, there are many more, don't bother unless you want something to laugh at, in disbelief.