Nissan Maxima Owners Manual: Blocking wheels
B. Flat tire
Place suitable blocks at both the front and back of the wheel diagonally opposite the flat tire to prevent the vehicle from moving when it is jacked up.
Be sure to block the wheel as the vehicle may move and result in personal injury.
Getting the spare tire and tools
Open the trunk. Remove the floor carpeting and spare tire cover.
Remove the tool box from the spare tire.
Remove the spare tire.