Hyundai Sonata: Check battery and cables
Winter puts additional burdens on the battery system. Visually inspect the battery and cables as described in section 7. The level of charge in your battery can be checked by an authorized HYUNDAI dealer or a service station.
Use high quality ethylene glycol coolant
Your vehicle is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling syst ...Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you s ...See also:
Jump-starting
WARNING
Failure to follow these directions will cause damage to the electronic
components, and can lead
to a battery explosion and severe injury or death.
Never lean over batteries while con ...
iPod Error Messages (Models with navigation system)
If you see an error message in the
center display while playing an iPod,
find the solution in the chart to the
right. If you cannot clear the error
message, take your vehicle to your
dealer. ...
Traction Control System (TCS)
The traction control system limits
wheel spin. The system turns on
automatically every time the vehicle
is started.
• To turn off traction control, press
and release the Traction Control
...