Check Battery and Cables
Winter puts additional burdens on the battery system. Visually inspect the battery and cables as described in Section 6. The level of charge in your battery can be checked by your Hyundai dealer or a service station.
See also:
SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
Hyundai's commitment to making the Hyundai Sonata extremely fuel efficient
continues with a six-speed automatic transmission with SHIFTRONIC manual control
or a standard six-speed manual transaxle ...
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Changing the climate control air filter
(For Evaporator and Blower Unit)
(If Installed)
The climate control air filter is located in front of
the evaporator unit behind the glove box.
It helps to decrease the amount of pollutants
enter ...