If the engine will not start
Hyundai Sonata / Sonata 2011 Owners Manual / What to do in an emergency / If the engine will not start
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Record Your Key Number
A code number is recorded on the number tag that came with the keys to your Hyundai.
This key number tag should not be left with the keys but kept in a safe place, not
in the vehicle. The key nu ...
Use Unleaded Gasoline
Unleaded gasoline with a Pump Octane Rating of 87 (Research Octane Number 91)
or higher must be used in your Hyundai.
WARNING:
o Do not "top off" after the nozzle automatically shuts o ...
Adjusting Seatback Angle
To recline the seatback, lean forward to take your weight off it, then pull up
on the recliner control lever at the outside edge of the seat. Now lean back until
the desired seatback angle is ac ...