Kia Stinger: Battery / Battery replacement

The battery is in the trunk under the compartment cover.
When replacing the battery, disconnect the negative (-) cable (1) and remove
the positive (+) battery fuse box (2).
Remove the battery mounting bracket (3).
WARNING - Touching metal surfaces in the trunk under the compartment cover

Do not touch metal surfaces in the trunk under the compartment cover while
the engine is operating or hot. Doing so could result in serious personal injury.
Turn the engine off and wait until it cools down or wear gloves to replace the battery
from the luggage room.
Keep the battery securely mounted.
Keep the battery top clean and dry.
Keep the terminals and connections clean, tight, and coated with petroleum
jelly or terminal grease.
Rinse any spille ...
Other information:
Components and components location
Components
Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the brake fluid from the master cylinder reservoir with a syringe.
...
Checking the engine oil level
■ THETA II 2.0L T-GDI Engine (Gasoline)
■ Lambda II PE 3.3L T-GDI Engine (Gasoline)
1. Be sure the vehicle is on level ground.
2. Start the engine and allow it to reach normal operating temperature.
3. Turn the engine off and wait for a few minutes (about 5 ...