Although your car is running, if your battery is bad, it will require another jump to start it again. If your charging system is not working, the car may only run for a few minutes before stopping.

• If it does start, let the problem car run for at least 20 minutes to allow the battery to recharge before shutting it off. • If it still doesn’t start, there may be another problem.

These methods are only to be used when you’re in mortal danger, and it’s riskier to not start your car than try these, (e.g. evacuating a war zone, running from zombies, if you’re terrified ...

Now, start the car with the dead battery. If she turns over, let her run for a few minutes. If she doesn't start the first time, give it another minute to two of rest with the good car running.

In the wintertime, your car’s battery must work harder to get your engine running. This is because cold temps can thicken your engine’s oil, causing your engine to move slower than usual.