Vehicle certification label
Hyundai Sonata / Sonata 2011 Owners Manual / Specifications, Consumer information, Reporting safety defects / Vehicle certification label

The vehicle certification label attached on the driver’s side center pillar contains the vehicle identification number (VIN).
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Filter replacement
It must be replaced when necessary, and should not be cleaned and reused. You
can clean the filter when inspecting the air cleaner element. Clean the filter by
using compressed air.
1. Loosen ...
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Power windows
The ignition switch must be in the ON position for power windows to operate.
Each door has a power window switch that controls the door's window. The driver
has a power window lock switch which ...


