1. Set the mode to the
position.
2. Set the air intake control to the outside (fresh) air position.
3. Set the temperature control to the desired position.
4. Set the fan speed control to the desired speed.
System operation
HeatingKia Cee'd JD Service Manual: Rear Door Latch Components and components location
Component Location
1. Rear door latch
...
: Engine Block Heater
(If Equipped)
Engine Block Heater Precautions
WARNING: Failure to follow engine
block heater instructions could result in
property damage or serious personal
injury.
WARNING: Do not use your heater
with ungrounded electrical systems or
two-pronged adapters. There is a risk of
electrical shock. ...