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:
Check Spark Plugs and Ignition System
Inspect your spark plugs 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. ...
CD (PA710) (If Installed)
1. CD Loading Slot
2. CD Indicator
3. CD Eject Button
4. CD Selection Button
5. AUX Selection Button
6. Automatic Track Selection Button
7. Information Display Button
8. TUNE/ENTER Button
9. ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...