Kia Optima: 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 dealer or a service station.
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 ...
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 ...
See also:
Inspection
1.
Measure the output voltage between
the terminal of the wheel speed sensor and the body ground.
...
Brake Pedal Components and Components Location
Components
1. Brake pedal stroke sensor2. Stop lamp switch3. Brake pedal
...
Relay Box (Engine Compartment) Repair procedures
Inspection
Power Relay Test (Type A)
–
Do not use pliers.
–
Pliers will damage the relays, which could cause the engine to stall or not start.
...