What is the maximum safe weight of a trailer? It should never weigh more than the maximum trailer weight with trailer brakes. But even that can be too heavy.
It depends on how you plan to use your trailer. For example, speed, altitude, road grades, outside temperature and how often your vehicle is used to pull a trailer are all important. The ideal trailer weight can also depend on any special equipment that you have on your vehicle.
Kia Niro 2017 (DE HEV) Service Manual: Auxiliary 12V Battery Repair procedures
Removal
Auxiliary 12V Battery
1.
Open the trunk.
2.
Remove the luggage side trim [RH] side cover (A).
3.
Turn the ignition switch OFF and disconnect the battery negative (-)
terminal (A).
...
Kia Niro (DE HEV) Owners Manual: Resetting the sunroof
Reset the sunroof when:
- The vehicle battery has discharged or replaced, or the fuse has been replaced.
- The sunroof does not operate normally.
- The glass opens during operation even though there are no obstructions.
- The glass is not of uniform height.
1.Turn the ignition switch to the ON ...