See also:

Spark plugs
Make sure to install new spark plugs of the correct heat range. ...

Keys
For greater convenience, the same key operates all the locks in your Hyundai. However, because the doors can be locked without a key, carrying a spare key is recommended in case you accidentally ...

Headlight aiming adjustment
Before performing aiming adjustment, make sure of the following. 1. Keep all tires inflated to the correct pressure. 2. Place the vehicle on level ground and press the front bumper & rear bump ...