Hi all, LR discovery 2, 2.5 TD5: Turned over but battery went dead before it started. Replaced the battery- the alarm went off, neither pressing the remote or placing the key in the ignition would switch it off or start it. Replaced the key fob battery Tried again, now the dash lights up...

Hi all, LR discovery 2, 2.5 TD5 manual. Issue: Turned over but battery went dead before it started. Replaced the battery- the alarm went off- the key fob, or placing the key in the ignition, wouldn't switch it off or start the car. Replaced the key fob battery Tried again, now the dash...