Hello! My Porsche 997 (3,6l) from Bj. 2005 does not start any more. The car stood about 1 week with activated alarm system in the underground garage. When I then wanted to drive home he didn’t jump on. He was so empty that he didn’t even want to open the trunk where the battery is sitting at the beginning. I then started him through bridged on the weekend and drove about 15 km to the industrial area. Actually the battery would have had to charge itself in the time already so far that a new start kei I drove home and charged the battery with a battery charger for more than 8 hours. until now^^^but it still doesn’t start…. ́. The funny thing is that when starting it only makes crack again and again. Then it flashes at the same time. Now my question is: Did someone have a similar problem? is the battery broken (–> battery 3 years old) ? o the vill any relay or backup or something? Quick answers would be very happy 😉 and thank you in advance! Lg Daniel