We recommend that the coolant be replaced by an authorized Kia dealer.
CAUTION
Put a thick cloth or fabric around the radiator cap before refilling the coolant in order to prevent the coolant from overflowing into engine parts such as generator.
WARNING - Coolant
Checking the coolant levelKia Cee'd JD Service Manual: Heated Oxygen Sensor (HO2S) Description and operation
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed
both upstream and downstream of the Manifold Catalytic Converter. The sensor
output voltage varies in accordance with the air/fuel ratio.
The sensor must be hot in order to operate n ...
: Charging Your Vehicle – Troubleshooting
Charging Your Vehicle – Information Messages
Charging Your Vehicle – Frequently Asked Questions
Why does my vehicle have a hum or fan noise when charging?
A hum or a fan noise could be present
when charging the high voltage
battery. This is a normal operation as
your vehicle is keeping the b ...