Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses.
The coolant level should be filled between MAX and MIN marks on the side of the coolant reservoir when the engine is cool.
If the coolant level is low, add enough specified coolant to provide protection against freezing and corrosion. Bring the level to MAX, but do not overfill. If frequent additions are required, we recommend that the system be inspected by an authorized Kia dealer.
Kia Niro (DE HEV) Owners Manual: Jump starting procedure
1.Make sure the booster battery is 12-volt and that its negative terminal is
grounded.
2.If the booster battery is in another vehicle, do not allow the vehicles come
in contact.
3.Turn off all unnecessary electrical loads.
4.Connect the jumper cables in the exact sequence shown in the illustr ...
Kia Niro 2017 (DE HEV) Service Manual: Rear Disc Brake Components and components location
Components
1. Return spring
2. Operating lever
3. Stopper
4. Caliper body
5. Caliper carrier
6. Pad retainer
7. Brake pad
...