key fob battery Hyundai Sonata Plug-in Hybrid 2017 Owner's Manual

3-5
Convenient features of your vehicle
3
Panic button
Press the Panic button (4) and hold
for more than one second. The horn
sounds and hazard warning lights
blink for about 30 seconds. To cancel
the panic mode, press any button on
the Smart Key.
Start-up
You can start the engine without
inserting the key.
For more information, refer to the
"Engine Start/Stop Button" sec-
tion in chapter 5.
To prevent damaging the smart key:
• Keep the smart key in a cool, dryplace to avoid damage or mal-
function. Exposure to moisture
or high temperature may cause
the internal circuit of the smart
key to malfunction which may
not be covered under warranty.
Avoid dropping or throwing the smart key.
Protect the smart key from extreme temperatures. Always have the smart key with
you when leaving the vehicle. If
the smart key is left near the vehi-
cle, the vehicle battery may be dis-
charged.
Mechanical key
If the Smart Key does not operate
normally, you can lock or unlock the
door by using the mechanical key.
To remove the mechanical key from
the smart key fob, press and hold the
release button (1) and pull the
mechanical key (2) out.
To unlock the vehicle using the
mechanical key, insert the mechani-
cal key into the key hole on the driv-
er door.
To reinstall the mechanical key, put
the key into the hole and push it until
a click sound is heard.
NOTICE
NOTICEOLF044007