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:
Why didn’t my air bag go off in a collision? (Inflation and non-inflation conditions
of the air bag)
There are many types of accidents in which the air bag would not be expected
to provide additional protection.
These include rear impacts, second or third collisions in multiple impact accidents,
...
Don't let your parking brake freeze
Under some conditions your parking brake can freeze in the engaged position.
This is most likely to happen when there is an accumulation of snow or ice around
or near the rear brakes or if the bra ...
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...