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: Auto Light Sensor Repair procedures
Inspection
Check if the auto light control operates like a timing chart shown below. Tail
lamp output and head lamp (Low) output is controlled based on the auto light sensor's
input (illumination intensity) when the Auto Light Switch in Multi-Function Switch
is turned ON, and ...
Kia Niro (DE HEV) Owners Manual: How to check
Use a good quality gauge to check tire pressure. You can not tell if your tires
are properly inflated simply by looking at them. Radial tires may look properly
inflated even when they're underinflated.
Check the tire's inflation pressure when the tires are cold. - "Cold" means ...