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:
Checking the Brake Fluid Level
WARNING:
Use caution when handling brake fluid. It can damage your vision if it gets into
your eyes. It will also damage your vehicle's paint if spilled on it and not removed
immediately. ...
Track Performance
I had a chance to drive a four-cylinder and V-6 coupe on a track, and both
coupes felt balanced through the corners, but their standard stability systems
were frequently activated. I'm no pro driv ...
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...


