Kia Optima: Check spark plugs and ignition system

Change to "winter weight" oil if necessary

In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil y ...

To keep locks from freezing

To keep the locks from freezing, squirt an approved de-icer fluid or glycerine into the key opening. If a lock is covered with ice, squirt it with an approved de-icing fluid to remove the ice. ...

See also:

Driver's and passenger's front air bag
Driver’s front air bag Passenger’s front air bag Your vehicle is equipped with an Advanced Supplemental Restraint (Air Bag) System and lap/shoulder belts at both the driver and passenger s ...

Driving at night
Because night driving presents more hazards than driving in the daylight, here are some important tips to remember: Slow down and keep more distance between you and other vehicles, as it ma ...

Overdrive Clutch Control Solenoid Valve(OD/C_VFS). Schematic Diagrams
Circuit Diagram ...