1. Survive a Water Landing
Almost all cars have electronic windows that short out when they come in contact with water. So invest in a center punch, a device shaped like a screwdriver but with a sharp center point. It makes breaking a window a cinch. Store it in your center console or glove box—not your trunk.
2. Add Some Horsepower
If you drive a turbo, all you need is a bit of computer programming to add some power. Whether you’re driving a twin-turbo Bentley or a simple 1.8-liter VW diesel, a few minutes of “chip tuning” by your mechanic can add 20 percent more power.
3. Give It a Rest
Shift into neutral at traffic lights. The transmission doesn’t care, and it makes life a bit easier for the engine. This technique reduces the amount of heat carried by the cooling system and can increase gas mileage a tick or two.
4. Use Your Headrest
Before you hit the road, sit up straight, raise your head as high as you can, and press it into the headrest. Hold it there for five seconds, then relax and repeat five times. This will improve your posture and put muscles like your multifidus to work to keep your spine erect. This, in turn, will reduce the strain on your neck.
5. Jump-Start a Dead Battery
If your battery terminals are corroded, crack open a can of cola and pour it directly onto the battery terminals. The acid in the cola will bubble away the corrosion, improving both your connection and the odds of a successful jump-start. Once you’re home, run water over the battery to remove the cola residue and dry it with an old rag.