Kia Niro: Cruise Control system / To set cruise control speed
1. Press the CRUISE / 
button on the
steering wheel, to turn the system on. The cruise indicator light will illuminate.
2. Accelerate to the desired speed, which must be more than approximately 30 km/h (20 mph).
3. Move the lever down (to SET-), and release it at the desired speed. The cruise set indicator light will illuminate. Release the accelerator pedal at the same time. The desired speed will automatically be maintained.
On a steep grade, the vehicle may slow down or speed up slightly while going downhill.
Cruise control switch
CANCEL/O : Cancels cruise control operation.
CRUISE / : Turns cruise control system
on or off.
RES+ : Resumes or increases cruise control speed.
SET- : Sets or decreases cruise control speed. ...
To increase cruise control set speed
Follow either of these procedures:
Move the lever up (to RES+) and hold it.Your vehicle will accelerate. Release
the lever at the speed you want.
Move the lever up (to RES+) and release it ...
Other information:
Kia Niro 2017 (DE HEV) Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection
1.
Switch "OFF" the ignition.
2.
Disconnect the HO2S connector.
3.
Measure resistance between the HO2S terminals 4 and 5 [B1/S1].
Specification: 2.5 - 4.0Ω [20°C(68°F)]
...
Kia Niro 2017 (DE HEV) Service Manual: Oil Level Gauge & Pipe Repair procedures
Removal and Installation
1.
Remove the oil level gauge (A).
2.
Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
3.
Remove the Oil level gauge pipe (A).
...
