Change to "Winter Weight" Oil if Necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See Section 9 for recommendations. If you aren't sure what weight oil you should use, consult your Hyundai dealer.
See also:
Interior light
Do not use the interior lights for extended periods when the engine is not running.
It may cause battery discharge. ...
Engine exhaust can be dangerous!
WARNING: ENGINE EXHAUST CAN BE DANGEROUS!
Engine exhaust fumes can be extremely dangerous. If, at any time, you smell
exhaust fumes inside the vehicle, open the windows immediately.
o Do not inhal ...
Check battery and cables
Winter puts additional burdens on the battery system. Visually inspect the battery
and cables as described in section 7. The level of charge in your battery can be
checked by an authorized HYUNDAI ...