Here’s the instructions for the factory jack
Wrangler
Park vehicle on a firm, level surface. Block tire diagonally opposite tire being changed. Place automatic transmission in Park, manual transmission in Reverse. Set parking brake. Position emergency jack under front or rear axle housing. Raise vehicle.
Wrangler
Park vehicle on a firm, level surface. Block tire diagonally opposite tire being changed. Place automatic transmission in Park, manual transmission in Reverse. Set parking brake. Position emergency jack under front or rear axle housing. Raise vehicle.