Maintenance
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance
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Do Not Lie Down
To reduce the chance of injuries in the event of an accident and to achieve maximum
effectiveness of the restraint system, all passengers should be sitting up and the
front seats should be in an u ...
When to Replace Tires
The original tires on your car have tread wear indicators. The location of tread
wear indicators is shown by the "TWI" or ""
marks, etc., The tread wear indicators appear whe ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...


