22,500 miles (36,000 km) or 18 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 22,500 miles (36,000 km) or 18 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months)
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Armed Stage
Park the car and stop the engine. Arm the system as described in the following
paragraph.
1) Remove the ignition key from the ignition switch.
2) Make sure that all doors, tail gate (3 Door) and ...
HAZARD WARNING SYSTEM
The hazard warning system should be used whenever you find it necessary to stop
the car in a hazardous location. When you must make such an emergency stop, always
pull off the road as far as pos ...
Engine number
The engine number is stamped on the engine
block as shown in the drawing. ...


