Hi guys. I just had the alternator replaced on my 100 series glx. The dash lights would flick on intermittently so auto elec replaced it. He tested charging and load test batteries and said everything was now fine. 2 days later I go out to car, turn the key and nothing. No dash lights at all and no indication that there would even be batteries in it. The batteries are century and just over 4 months old. Any advice?