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 dealer or a service station.
See also:
Smart key
With a smart key, you can lock or unlock a door (and trunk) and even start the
engine without inserting the key.
The functions of buttons on a smart key are similar to the remote keyless entry.
...
Tire pressure monitoring system (TPMS)
(If installed)
Low Tire Pressure Telltale.
TPMS Malfunction Indicator.
Each tire, including the spare (if provided),
should be checked monthly when
cold and inflated to the inflation pressure ...
Check spark plugs and ignition system
Inspect your spark plugs as described in section 7 and replace them if necessary.
Also check all ignition wiring and components to be sure they are not cracked, worn
or damaged in any way. ...