As the three kids are winching the Jeep back up the hill, all four of the tires are inflated. When the bear turns the Jeep over, the right side tires are flat and coming off of the rims. However, when the two remaining kids are pushing the Jeep, the tires have somehow re inflated themselves.
The guy in the orange shirt ties his white Adidas sneakers and says he'll go for help because he's the fastest runner. He then is shown running wearing flip-flops.
Emissions warning light is not the warning light for over heating. Plus, it takes longer than 5 minutes for an over heated engine to cool down.
When the jeep is coasting downhill, it has 4 flat tires. At the last scene the tires were fully inflated.