What kinds of spark plugs are there?
How do I change the spark plugs of my Optima?
What kind of spark plugs does your Optima need?
What light bulbs fit your Optima?
How to keep your Optima safe during extended periods without use
Booster seats for children in your Optima: all you need to know
What styles of car bodies exist?
What do the technical specifications of your Optima’s engine mean?
What is the IAC valve of your Optima?
What should you check on your Optima before a road trip?
What is a fuse and what types can you find for your Optima?
Exhaust smoke and its colors on an Optima: causes and severity
What is the timing belt on an Optima?
What is the serpentine belt of your Optima and when should you change it?
What is brake fluid and which one should you use for your Optima?
What filters exist in your Optima and when should you replace them?
Which type of fuel should you use in your Optima?
How to improve the fuel consumption of your Optima
What types of fuel exist?
What is the fuel octane rating?
How much transmission fluid does my Optimaneed?
When should you change the differential fluid of your Optima?
What is the transmission fluid of your Optima, and when should you change it?
What kind of transmission fluid does your Optima take?
How do your Optima‘s airbags work? What precautions should you take with them?
What is the MAP sensor of your Optima?
What is the Throttle Position Sensor (TPS) of your Optima?
What is the oxygen sensor (or lambda sensor) of your Optima?
How to rotate the tires of your Optima?
How to change one of your Optima‘s wheels?
What is the right tire pressure for your Optima?
What kind of information is engraved in the tires of your Optima?
How much motor oil does your Optima need?
What is the purpose of the motor oil of your Optima?
When do I have to change the motor oil of my Optima?
What engine oil does your Optima need?
What does the check engine light of your Optima mean?
What is the immobilizer on an Optima? Why does it fail?
Why does your Optima’s engine overheat? Causes and solutions
Which refrigerant do you need for the air conditioner of your Optima?
Why is the air conditioner of my Optima not working properly?
How does the air conditioner of your Optima work?
How do I start my Optima with a dead battery?
How to test your Optima‘s battery, step by step
What is the error code OBD II P0106?
Symptoms of your Optima‘s error code P0340
What power steering fluid does your Optima need?
How to change the power steering fluid of your Optima?