#8 Keep an Auto Log
![](https://autorehab.com/wp-content/uploads/2024/04/08_car_Tips-To-Extend-the-Life-of-Your-Car_132047105_LisaS.jpg)
Keep a pad and pencil in the glove compartment and use them to record your gas fill-ups and mileage. If you notice that your gas mileage worsens, mention it to your serviceman. It may be an early warning sign that something is wrong with your car.