Kia Optima: Change to "winter weight" oil if necessary

Check battery and cables

Winter puts additional burdens on the battery system. Visually inspect the battery and cables as described in section 7. The level of charge in your battery can be checked by an authorized Kia ...

Check spark plugs and ignition system

Inspect your spark plugs as described in section 7 and replace them if necessary. Also check all ignition wiring and components to be sure they are not cracked, worn or damaged in any way. ...

See also:

Engine Mounting. Components and Components Location
  1. Transaxle mounting bracket 2. Roll rod bracket 3. Sub frame 4. Engine mounting bracket 5. Engine mounting support bracket ...

Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the resonator and the air intake hose (Refer to “Intake And Exhau ...

Seat Heater. Components and Components Location
Component Location ...