You can start the engine without inserting the key. For detailed information refer to “Starting the engine with a smart key” in chapter 6.
Kia Niro (DE HEV) Owners Manual: Brake fluid
Checking the brake fluid level
Check the fluid level in the reservoir periodically. The fluid level should be
between MAX and MIN marks on the side of the reservoir.
Before removing the reservoir cap and adding brake fluid, clean the area around
the reservoir cap thoroughly to prevent brake ...
Kia Niro 2017 (DE HEV) Service Manual: Radiator Repair procedures
Removal
1.
Disconnect the negative (-) cable of the 12V battery.
2.
Remove the under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
3.
Drain the coolant of hybrid motor cooling syste ...