Kia Soul: 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 you should use, consult an authorized Kia dealer.
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 dea ...
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:
Description
Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine
modifications and the addition of special control components.
Modifications to the combustion chamber, intake manifo ...
Catalytic Converter Description
The catalytic converter of the gasoline engine is a three way catalyst.
It oxidizes carbon monoxide and hydrocarbons (HC), and separates oxygen from
the oxides of nitrogen (NOx).
...
System Block Diagram
Component Parts And Function Outline
Component part
Function
Vehicle-speed sensor
Converts vehicle speed to pulse.
ECM
Receives signals fr ...