Kia Optima: Check spark plugs and ignition 
system - Winter driving - Driving your vehicle - Kia Optima TF 2011-2024 Owners ManualKia Optima: 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.

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:

Special Service Tools
Special Service Tools Tool(Number and Name) Illustration Use Deployment tool 0957A-34100A Airbag deployment tool. ...

Airbag-advanced supplemental restraint system
* The actual air bags in the vehicle may differ from the illustration. (1) Driver’s front air bag (2) Passenger’s front air bag (3) Side impact air bag (4) Curtain air bag WARNING Even in vehi ...

Specifications
Specifications Items Specifications Rated voltage DC 12V Operating temperature range -30°C ~ +80°C (-22 ~ +176°F) ...

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