If the radar or cover is dirty or obscured with foreign matter such as snow, this message (“Smart Cruise Control disabled temporarily”) will appear and it will disappear after for a while. In this case, the system may not function temporarily, but it does not indicate a malfunction of the smart cruise control System. Clean the radar or cover by using a soft cloth and it will operate normally.
If the radar front is polluted after the engine has been turned on, or the radar cannot detect any external object (when the vehicle is located in open, empty surroundings), the smart cruise control system may not operate properly.
Kia Niro 2017 (DE HEV) Service Manual: Fuel Filler Door Release Actuator Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the left luggage side trim.
(Refer to Body - "Luggage Side Trim")
3.
Disconnect the fuel filler door release actuator connector (A).
...
Kia Niro (DE HEV) Owners Manual: Passenger’s front air bag ON/OFF switch
The passenger’s front air bag can be deactivated by the passenger’s front air
bag ON/OFF switch if a child restraint is installed on the front passenger's seat
or if the front passenger's seat is unoccupied by a person.
To ensure the safety of your child, the passenger’s front a ...