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:
Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...
Warranties for Your Hyundai Vehicle
Please consult your Owner's Handbook & Warranty Information booklet for your
vehicle's specific warranty coverage. ...
Checking the amount of air conditioner refrigerant and compressor lubricant
When the amount of refrigerant is low, the performance of the air conditioning
is reduced. Overfilling also has a negative influence on the air conditioning system.
Therefore, if abnormal operatio ...