What’s the single worst thing you can do to your car?

When is the last time you had your oil changed?

According to the experts at CarMD.com, putting that off is the single worst thing you can do to your car. In our new high-tech engines, dirty oil can lead to engine failure if left in there too long. Here are the other worst auto offenses:

• Putting off recommended / scheduled maintenance 

• Ignoring the “check engine” light

• Not checking tire pressure

• Neglecting coolant, brake, transmission and other fluid services

• Continuing to drive when the vehicle is overheating

• Not changing fuel and air filters

• Having unqualified shops service your vehicle

• Trying to service your own high-tech vehicle