Please choose the correct solution to the question: How to change a car battery.

Solution1: Locate battery under the hood in the front, while car is off take a 10mm socket to the battery terminal and loosen the ground or black one first, then take off the red or positive terminal, life battery out of car, install new one by tightening the black or ground first then the red.

Solution2: Locate battery under the hood in the back, while car is on take a 8mm socket to the battery terminal and loosen the positive or red one first, then take off the black or negative terminal,lift battery out of car, install new one by tightening the red or postive first then the black.

Answer format: solution1/solution2
Answer: solution1