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.
1. Disconnect the cable from the negative battery terminal to prevent shock injuries. This is usually a black cable, but you can be sure by locating the -, sign on the terminal. If it is difficult to remove because of corrosion or dirt, pry it up with a straight-slot screwdriver.