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:

Armed stage
Park the vehicle and stop the engine. Arm the system as described below. 1. Remove the ignition key from the ignition switch and exit the vehicle. 2. Make sure that all doors (and tailgate) and engi ...

Inspection
1. Ignition "OFF� 2. Disconnect the connector of mode control actuator. 3. Verify that the mode control actuator operates to the defrost mode w ...

Front Bumper. Repair procedures
Replacement • Put on gloves to protect your hands. • Use a plastic panel removal ...