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.
Hyundai Sonata LF 2014-2019 Service Manual: Brake Booster Repair procedures
Brake Booster Operating Test
For simple checking of the brake booster operation, carry out the following tests.
1.
Run the engine for one or two minutes, and then stop it. If
the pedal depresses fully the first time but gradually becomes higher
when depressed succeeding times, the booster ...
Hyundai Sonata LF 2014-2019 Owners Manual: Tire Specification and Pressure Label & Engine Number
Tire Specification and Pressure Label
The tires supplied on your new vehicle are chosen to provide the best performance
for normal driving.
The tire label located on the driver's side center pillar gives the tire pressures
recommended for your car.
Engine Number
The engine number is stamped on t ...