Engine oil and filter
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Engine oil and filter
The engine oil and filter should be changed at the intervals specified in the maintenance schedule. If the car is being driven in severe conditions, more frequent oil and filter changes are required.
See also:
Fuel filter
A clogged filter can limit the speed at which the vehicle may be driven, damage
the emission system and cause multiple issues such as hard starting. If an excessive
amount of foreign matter accumu ...
Engine
...
Reporting safety defects (U.S.A only)
If you believe that your vehicle has a defect
which could cause a crash or could cause
injury or death, you should immediately
inform the National Highway Traffic Safety
Administration (NHTSA) in ...


