I just bought a 03 rover discovery 2 se and I used a jump box to start and test drive it was sitting for a while I purchased it brought it home went to put the jump box on it again to go purchase a battery the alarm sounded so I disconnected the jump box when a bought a battery in my other vehicle installed it and now only the dash will come on security light radio windows and door locks disabled and I can't get her to crank it's locked me out completely and I'm at a loss the m and a lights flash with a d and a line through it please help me out