High speed travel consumes more fuel than urban motoring. Do not forget to check both engine coolant and engine oil.
Kia Niro (DE HEV) Owners Manual: Larger children
Children who are too large for child restraint systems should always occupy the
rear seat and use the available lap/shoulder belts. The lap portion should be fastened
and snugged on the hips and as low as possible. Check if the belt fits periodically.
A child's squirming could put the belt ...
Kia Niro 2017 (DE HEV) Service Manual: Water Jacket Insert Repair procedures
Removal and Installation
1.
Remove the cylinder head.
(Refer to Cylinder Head Assembly - "Cylinder Head")
2.
Remove the water jacket insert (A).
3.
Install in the reverse order of removal.
...