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:
Automatic transmission
Shiftgate positions
Depress the button on the front of the gear selector knob to move the gear selector
between the R, N, D, and P positions.
The gear selector can be moved freely between the Ge ...
Keyless drive
Vehicles equipped with the optional Personal Car Communicator have the keyless
drive function, see page 63 for detailed information. ...
Installation
1. Lower the battery into the battery box.
2. Move the battery inward and to the side until it reaches the rear edge of
the box.
3. Tighten the clamp that secures the battery.
4. Connect the ve ...