Kia Optima: Use high quality ethylene glycol 
coolant - Winter driving - Driving your vehicle - Kia Optima TF 2011-2026 Owners ManualKia Optima: Use high quality ethylene glycol coolant

Your vehicle is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling system, lubricates the water pump and prevents freezing. Be sure to replace or replenish your coolant in accordance with the maintenance schedule in section 7. Before winter, have your coolant tested to assure that its freezing point is sufficient for the temperatures anticipated during the winter.

Winter driving
Severe weather conditions in the winter result in greater wear and other problems. To minimize the problems of winter driving, you should follow these suggestions: Snowy or Icy conditions To ...

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 ...

See also:

Illuminated ignition switch
Whenever a front door is opened, the ignition switch will illuminate for your convenience, provided the ignition switch is not in the ON position. The light will go off immediately when the igni ...

Securing a child restraint seat with “Tether Anchor” system
Child restraint hook holders are located on the package tray. 1.Route the child restraint seat tether strap over the seatback. For vehicles with adjustable headrests, route the tether strap unde ...

Installation
1. Installation is the reverse of removal. After replacement or reinstallation procedure of the valve body assembly, ...

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