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 Owners Manual: Distributing the sealant
11. Immediately drive approximately 4~6 miles (7~10 km or about 10 minutes) to
evenly distribute the sealant in the tire.
Do not exceed a speed of 50 mph (80 km/h). If possible, do not fall below a speed
of 12 mph (20 km/h).
While driving, if you experience any unusual vibration, ride disturbance ...
Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Sensor (FPS) Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Check the output voltage of fuel pressure sensor (FPS).
Specification : Refer to “Specification”
Removal
1.
Turn the ignition seitch OFF and disconnect the battery negative (-) cable.
2.
Remove the rear sea ...