See also:

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

Recommended Engine Coolant
When adding coolant, use only deionized water or soft water for your vehicle and never mix hard water in the coolant filled at the factory. An improper coolant mixture can result in serious malfun ...

Checking the battery
WARNING: Batteries can be dangerous! When working with batteries, carefully observe the following precautions to avoid serious injuries. The fluid in the battery contains a strong solution of s ...