To activate an one-touch lane change function, move the turn signal lever slightly for less than 0.7 second and then release it. The lane change signals will blink 3 times.
✽ NOTICE
If an indicator flash is abnormally quick or slow, a bulb may be burned out or have a poor electrical connection in the circuit.
Kia Niro 2017 (DE HEV) Service Manual: Relay Box (Passenger Compartment) Repair procedures
Fuse Inspection
1.
Check that the fuse holders are loosely held and that the fuses are securely
fixed by the holders.
2.
Check that each fuse circuit has the exact fuse capacity.
3.
Check the fuses for any damage.
...
Kia Niro 2017 (DE HEV) Service Manual: Pressure Source Unit Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery terminal.
2.
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
3.
Remove the brake fluid fro ...