A jump starter can get a car moving again, but the wrong connection or repeated attempts can make matters worse. Follow the vehicle-specific procedure.
A smeared windscreen does not always mean the wiper motor is failing. Work through glass contamination, washer spray and blade condition before buying a replacement.
A damp cabin can obscure both ends of the car. The windscreen vents and heated rear glass clear fog in different ways, and recirculation can work against you.