2017 Smart Fortwo 453 - Replace Serpentine Belt

How to replace the serpentine belt on a 2017 Smart Fortwo 453. The 453 has only one belt.
The earlier Smart 451 and 450 may have two belts. This procedure is only for the 453 Smart.
Tools Needed:
10 mm socket with either a 3/8 drive ratchet or a cordless/pneumatic ratchet.
1/2 drive breaker bar/power handle
13 mm 12 point 1/2 drive socket
1/2 drive 2 inch extension
If doing this alone, you will need a 14-18 inch piece of wood or other item to wedge the handle. If doing this with a partner you will not need the piece of wood.
Parts:
Gates belt K070542 or 7PK1377
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