Why shouldn't you use a car with the engine running to start another?

Winter is here, and with it, dead batteries are becoming more common. If your car won't start, don't worry! An old but still effective method called "hardwiring" can save your day. But did you know that a common mistake could seriously damage your vehicle? Here's how to master this technique safely.
Why do batteries fail in winter?

Winter puts a strain on your battery. At low temperatures, a battery loses much of its capacity. A battery already weakened by wear may be sufficient in summer, but in winter, it may lack power. Additionally, a cold engine requires much more energy to start. As a result, your car remains immobilized, and you need to find a solution quickly.

The Art of Wiring: A Simple but Technical Method

"Hardwiring" involves using the power of a charged battery to jump-start a disabled car. It sounds simple, but precise steps must be followed to avoid costly damage.