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:
Fuel requirements
Your new vehicle is designed to use only unleaded fuel having a pump octane number
((R+M)/2) of 87 (Research Octane Number 91) or higher.
Your new vehicle is designed to obtain maximum performance ...
Brake Fluid
Check brake fluid level in the brake fluid reservoir. The level should be between
"MIN" and "MAX" marks on the side of the reservoir. ...
Using a child restraint system
For safety reasons, we recommend that the child restraint system be used in the
rear seats.
WARNING
Never place a rear-facing child restraint in the front passenger seat, because
of the dang ...


