2017 Lexus RX450h 12v battery replacement
Following are the steps performed to replace the 12v battery in a 2017 Lexus RX450h F Sport. So open the trunk and remove the cover and towards the left of the car on the driver side is where the 12v battery is located. To remove the battery cover push the three platic pins in with your finger. Once pushed in the plastic plugs will be loose and can be pulled out. Then removed the red plastic cover which covers the positive terminal of the battery. The first step is to remove the connector attached to the negative terminal. There is a plug which can be pulled out (marked in red square, in the picture below) or we can loosen the nut that is shown below. I could not figure out how to pull the plug out so I decided to unscrew the nut. Used a 1/2" wrench to remove this screw. To loosen the connector cables used a 10mm wrench. Remove the connector connected to the positive terminal next. Also removed (pulled out) the breather plastic tube which is connected on the right sid...