Hyundai Sonata: 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.
Changing the engine oil and filter
Have engine oil and filter changed by an authorized HYUNDAI dealer according
to the Maintenance Schedule at the beginning of this section.
CALIFORNIA PROPOSITION 65 WARNING
Engine oil contains ...
Checking the coolant level
WARNING
Removing radiator cap
Never attempt to remove the radiator cap while the engine is operating
or hot. Doing so might lead to cooling system and engine damage and could result
in se ...
See also:
Curtain Airbag (CAB) Module Description and Operation
Description
Curtain airbags are installed inside the headliner (LH and
RH) and protect the driver and passenger from danger when side crash
occurs. The SRSCM determines deployment of curtain ai ...
Recommended cold tire inflation pressures
All tire pressures (including the spare) should be checked when the tires are
cold. “Cold Tires” means the vehicle has not been driven for at least three hours
or driven less than one mile (1. ...
Start/Stop Button Repair procedures
Removal
1.
Disconnect the negative(-) battery terminal.
2.
Remove the center facia panel.
(Refer to Heating, Ventilation and Air Conditioning - "Controller")
3.
Remove the start/stop butt ...