Spark plugs
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Spark plugs
Make sure to install new spark plugs of the correct heat range.
See also:
To Remove the Ignition Key
1. Turn the ignition key to the "ACC" position.
2. Simultaneously push and turn the ignition key counterclockwise from the "ACC"
position to the "LOCK" position.
3. ...
Check Battery and Cables
Winter puts additional burdens on the battery system. Visually inspect the battery
and cables as described in Section 6. The level of charge in your battery can be
checked by your Hyundai dealer o ...
Adjusting Seatback Angle
To recline the seatback, lean forward to take your weight off it, then pull up
on the recliner control lever at the outside edge of the seat. Now lean back until
the desired seatback angle is ac ...


