Coolant
The coolant should be changed at the intervals specified in the maintenance schedule.
See also:
Check Spark Plugs and Ignition System
Inspect your spark plugs and replace them if necessary. Also check all ignition
wiring and components to be sure they are not cracked, worn or damaged in any way. ...
Opening the trunk
• To open the trunk, press the trunk unlock button for more than 1 second on
the transmitter (or smart key), press the button on the trunk handle with the smart
key in your possession, or inse ...
ADVANCED STANDARD SAFETY TECHNOLOGIES: PART OF HYUNDAI'S ASSURANCE
COMMITMENT
Hyundai Sonata is built from the ground up with safety in mind, with a hot
stamped ultra-high-strength steel body structure, advanced airbag technology and
Electronic Stability Control (ESC), deli ...


