Connect the black cable to the negative poles, also in this case first to the discharged battery, and then to that one charged. Give your car a few throttle strokes and wait about ten minutes. Once you have succeeded in starting your car, disconnect the cables and games, remembering to keep high speeds for at least another 10 minutes to allow the Low Temperature Electrolyte battery to recharge.
Obviously, having escaped the danger, it would still be a good idea to go to your trusted electrician to check the state of charge and, above all, if the battery is not new, that of wear. Repair workshops offer experienced and qualified staff, subjected to constant training. State-of-the-art equipment to guarantee you the highest quality standards.
Timely interventions to minimize your inconvenience. They can to run periodic coupons even on new cars and under warranty of the parent company.