If so provided, undo the fasteners to the battery top cover and pull the cover off and put it aside. Remove the nut of the cable clamp and disconnect the cable from the battery terminals, starting with the negative terminal and then the positive terminal. Take out the fastener of the battery hold-down clamp front then pull up on the rod at the rear of the battery tray and set the backlash of the hold-down clamp and the wiring harness to the side. Then delicately pry out the big battery and if there is a battery cover, then you also have to pull it out. Cautiously, it is necessary to replace the battery with the same dimensions, amperages, cold cranking rating, and terminal polarity. There you will be able to unscrew the bolts that secure battery tray to the body of your car, namely the four battery tray bolts, and the upper battery tray bolt/off, and the lower battery tray bolt/off. Installation is done in the opposite order to removal to guarantee that the positive cable is connected first while the negative cable is connected last.