If this warning light comes on while the engine is running, the battery is not being charged. Immediately turn off all electrical accessories. Try not to use electrically operated controls, such as the power windows. Keep the engine running; starting the engine will quickly discharge the battery.
If there is a malfunction with either the alternator or electrical charging system:
1.Drive carefully to the nearest safe location and stop your vehicle.
2.Turn the engine off and check the alternator drive belt for looseness or breakage.
If the belt is adjusted properly, there may be a problem in the electrical charging system.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Cushion Cover Components and Components Location
Component Location
1. Front seat cushion cover
...
Hyundai Sonata LF 2014-2019 Owners Manual: Checking the tire inflation pressure
1. After driving approximately 7~10 km (4~6 miles or about 10 min), stop at a
safety location.
2. Connect the filling hose (3) of the compressor directly to the tire valve.
3. Plug the compressor power cord into the vehicle power outlet.
4. Adjust the tire inflation pressure to the recomended tir ...