5 hours gives you plenty of time to plug your phone into your car and charge it.
My fob doesn't give me a low battery warning. I find out the battery died when I can't use the fob to unlock the car.
My fob doesn't give me a low battery warning. I find out the battery died when I can't use the fob to unlock the car.
As long as the scenario is "phone battery died within five hours of needing to drive car".