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:
Specifications
Specifications
Items
Specifications
Rated voltage
DC 12V
Operating temperature range
-30°C ~ +80°C (-22 ~ +176°F)
...
Canister Close Valve (CCV). Specifications
Specification
Item
Specification
Coil Resistance (Ω)
19.9 ~ 22.9 [20°C(68°F)
...
Impact sensing door unlock system (if equipped)
All doors will be automatically unlocked when the impact is delivered to impact
sensors while the ignition switch is ON. However, the doors may not be unlocked
if mechanical problems occur with th ...