With a smart key, you can lock or unlock a door (and tailgate) and even start the engine without inserting the key.
The functions of the buttons on a smart key are similar to the remote keyless entry. (Refer to the “Remote keyless entry” in this chapter.)
Carrying the smart key, you may lock and unlock the vehicle doors (and tailgate). Also, you may start the engine. Refer to the following, for more details.
Kia Niro 2017 (DE HEV) Service Manual: General information
General Troubleshooting
Information
Before Troubleshooting
1.
Check applicable fuses in the appropriate fuse/relay box.
2.
Check the battery for damage, state of charge, cleanliness and tight
connections.
(Refer to Engine Electrical ...
Kia Niro (DE HEV) Owners Manual: Hazard warning flasher
■ Type A
■ Type B
The hazard warning flasher serves as a warning to other drivers to exercise extreme
caution when approaching, overtaking, or passing your vehicle.
It should be used whenever emergency repairs are being made or when the vehicle
is stopped near the edge of a roadway.
...