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:
Locking doors
1. Close all doors.
2. Push the "LOCK" button on the transmitter.
3. At the same time all doors lock, the turn signal light will blink once to
indicate that the system is locked. ...
Interior light
Do not use the interior lights for extended periods when the engine is not running.
It may cause battery discharge. ...
Use high quality ethylene glycol coolant
Your vehicle is delivered with high quality ethylene glycol coolant in the cooling
system. It is the only type of coolant that should be used because it helps prevent
corrosion in the cooling syst ...


