For 250,000 miles now, Karl’s car has been as reliable as a sunrise. And he wouldn’t trade it for a Corvette. (OK, that’s an exaggeration!)
   Most car owners brag when the odometer rolls over at 100,000 miles. Karl is cruising toward three times the 100,000-mile mark, and he’s still waiting for a mechanical breakdown.
   So what’s the secret to a quarter of a million miles of trouble-free transportation?
   It’s simple: follow the maintenance schedule in the owner’s manual. The day Karl drove off the car lot, he determined to follow the manufacturer’s guidelines. Even though he is not at all mechanically inclined, he can do the simple stuff. Every 4,000 miles he changes the oil. Every 40,000 miles he changes the spark plugs. And every 1,000,000 miles he may change cars!
   The Japanese (makers of the Toyota) taught the world to make cars that last longer. Now the Japanese are teaching people to last longer. Recently, Japan’s health ministry surveyed 4,000 Japanese who are a hundred years old or older and asked them for the secret to a long, healthy life. As it turns out, their secret is as