Sonata 2011 Owners Manual

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Full-time 4WD operation
(If installed) Engine power can be delivered to all wheels. Full-time 4WD is useful when good traction is required, such as, when driving on slippery, wet or snow-covered roads and when moving out ...

Anti-lock brake system (ABS)
(If installed) The Anti-Lock Brake System (ABS) is designed to prevent wheel lock-up during sudden braking or on hazardous road surfaces. The ABS control module monitors the wheel speed and contro ...

Changing the oil and filter
The engine oil and filter should be changed at those intervals specified in the maintenance schedule in Section 5. If the car is being driven in severe conditions, more frequent oil and filter c ...