Kia 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:
CVVT Oil Control Valve (OCV). Schematic Diagrams
Circuit Diagram
...
Tire terminology and definitions
Air Pressure: The amount of air
inside the tire pressing outward on
the tire. Air pressure is expressed in
pounds per square inch (psi) or kilopascal
(kPa).
Accessory Weight: This means the
...
Troubleshooting
Troubleshooting
Symptom
Suspect area
Engine will not start or struggle to start
Vapor hose damaged or disconnected
Engine struggle ...