1. Connect the positive (+) Red Cable to the positive (+) terminal of the dead battery, then carefully connect the other end to the positive (+) terminal of the live battery, taking care not to ground the clamp whilst doing so.
Connect the negative (-) blue cable to the negative (-) terminal of the live battery, then carefully connect the other end to the engine block,(as far as away from the battery)
Start the car with the live battery and allow it to tick over wait a couple of minutes, and then attempt to start the car with the dead battery.