INDICATORS ON MERCEDES REPAIRS TAURANGA YOU SHOULD KNOW

After charging the volts had been at 13.10 but slowly and gradually dropped to settle at 12.58volts. I connected the battery, and here is where the confusion begins. The first time I put The true secret in nothing at all occurred, but when I attempted a 2nd time "whalla" it labored. I tried it 5 periods and labored when. Do you think it's the cars