Hyundai Sonata: Maintenance / Engine Coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season and before traveling to a colder climate.
Engine Oil
Checking the Engine Oil Level
1. Follow all of the oil manufacturer’s precautions.
2. Be sure the vehicle is on level ground in P (Park) with the parking brake
set and the wheels blocked.
3. Turn t ...
Checking the Engine Coolant Level
WARNING
Never remove the radiator cap or the drain plug while the engine and radiator
are hot. Hot coolant and steam may blow out under pressure, causing serious injury.
Turn the engine off and wai ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation
Description
System Overview
The System offers the following features:
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Human / machine interface through a 1-stage button, for terminal switching and engine start.
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Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition swit ...
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 ...
