If you don’t have towing and labor, however, a friend with a winch is your next best bet!
If you don’t have either of these, don’t panic! Just find a board, floor mat, or other flat object and slide it underneath the tire(s) that are stuck in the mud. Get back in the car and accelerate slowly. With any luck, the leverage and momentum should get you out of the mud!
Have a good trip, and bon voyage!