The mode means the vehicle at stop. (There is no energy flow.)
Kia Niro 2017 (DE HEV) Service Manual: Brake Switch Specifications
Specification
Item
Brake pedal release
Brake pedal depressed
Switch 1
Max. 0.5V
Battery Voltage
Switch 2
IG OFF
Max. 50mV
IG ON
Battery ...
Kia Niro (DE HEV) Owners Manual: To turn off the speed limit control, do one of the following
Press the CRUISE & SPEED LIMIT MODE switch.
Turn the ignition off.
If you press the cancel O switch once, the set speed limit will cancel, but it
will not turn the system off. If you wish to reset the speed limit, move the lever
up (to RES+) or down (to SET-) to the desired speed.
...