Ford Fusion 2013–2020 Owners Manual: Audible Warnings and Indicators
Keyless Warning Alert
The horn will sound twice when you exit
your vehicle with the intelligent access key
and your vehicle is in RUN, indicating your
vehicle is still on.
Headlamps On Warning Chime
Sounds when you have left the headlamps
or parking lamps on and open the driver
door with the ve ...
Hyundai Kona (OS) 2018-2023 Service Manual: In-car Sensor Description and operation
Description
The In-car air temperature sensor is built in the heater & A/C control unit.
The sensor contains a thermistor which measures the temperature of the inside.
The signal decided by the resistance value which changes in accordance with
perceived inside ...