Handling difficult questions. It is important not to start responding to a difficult question before you have thought about the answer. Repeating the question and asking for clarification will help create some space for your thoughts.
Make sure all loads in vehicle are turned off, key is in the off position. Disconnect the negative battery terminal first then the positive terminal. When installing the new battery connect the positive terminal make sure not ground out the tool your using while tightening the positive terminal.
4. Clamp the other end of the positive jumper cable to the positive battery terminal in the booster car. Again, confirm that a plus sign is next to the battery terminal. Connect the negative cable end to the negative battery terminal in the booster car. Now that the negative cable is connected to the battery terminal, you can attach the other end to an unpainted metal surface on the engine of the car with the dead battery. If a labeled remote negative terminal is available, use it.