It sounds like the mechanic shared a simple but effective trick to help extend the life of your car’s battery and improve its overall performance. Here’s the rundown:
By turning on your headlights for 10 seconds before starting the engine, you give the battery a chance to stabilize its voltage. This small act smooths out the electrical flow, reducing the shock of the first big power demand from the starter motor, especially after the car has been sitting for a while in cold weather.
This habit helps:
- Extend battery life
- Ease cold starts
- Protect electronic systems from sudden voltage surges
To do it:
- Sit in the car.
- Turn on the headlights for 10 seconds.
- Start the engine as usual.
- Avoid using the radio, AC, or heater until the engine is running.
Pairing this habit with regular battery checks and using low-consumption LED lights will ensure your vehicle’s electrical system stays in top shape.