If any method other than the CRUISE / button was used to cancel cruising speed and the system is still activated, the most recent set speed will automatically resume when the RES+ switch is pushed.
It will not resume, however, if the vehicle speed has dropped below approximately 30 km/h (20 mph).
Kia Niro 2017 (DE HEV) Service Manual: Power Seat Motor Repair procedures
Inspection
Power Seat Motor
1.
Disconnect the connectors for each motor.
[Slide motor
(A)]
[Rear height
motor (B)]
[Front tilt
motor (C)]
[Reclining
motor (D)]
[Lumber support
motor (E)]
...
Kia Niro (DE HEV) Owners Manual: To set cruise control speed
1. Press the CRUISE button, to turn the system on. The CRUISE indicator in the
instrument cluster will illuminate.
2. Accelerate to the desired speed. The smart cruise control speed can be set
as follows:
30 km/h (20mph) ~ 180 km/h (110 mph): when there is no vehicle in front
10 km/h (6 ...