change key battery Hyundai Sonata

411
Features of your vehicle
Battery replacement
The transmitter uses a 3 volt lithium bat-
tery which will normally last for several
years. When replacement is necessary,
use the following procedure.
1. Insert a slim tool into the slot and gen-tly pry open the transmitter centre
cover. 2. Replace the battery with a new battery
(CR2032). When replacing the battery,
make sure the battery positive “+” sym-
bol faces up.
3. Install the battery in the reverse order of removal.
For replacement transmitters, see an
authorised HYUNDAI dealer for transmit-
ter reprogramming.
CAUTION
Changes or modifications not expressly approved by the party
responsible for compliance couldvoid the user’s authority to operatethe equipment. If the keyless entry system is inoperative due to
changes or modifications notexpressly approved by the partyresponsible for compliance, it will
not be covered by your manufactur-er’s vehicle warranty.
ONF048120HNF2005

Driving your vehicle
8
5
Illuminated engine start/stop but- ton
Whenever the front door is opened, the
engine start/stop button will illuminate for
your convenience. The light will go off
immediately when the engine start/stop
button turns to the ON position or go offafter about 30 seconds when the door isclosed. Engine start/stop button position
OFF
To turn off the engine, press the engine
start/stop button with the engine
start/stop button ON and the shift lever in
P(Park). When you press the engine
start/stop button without the shift lever in
P(Park), the engine start/stop button
does not turn to the OFF position, but
turns to the ACC position.
Also, the steering wheel locks when the
engine start/stop button is in the OFFposition to protect against theft.
It locks when the door is opened, when
you pull out the smart key from the smart
key holder, or when you lock the doors
using the smart key.
✽✽
NOTICE
 If difficulty is experienced turning the engine start/stop button to the ACC
position, turn the steering wheel right
and left to release the tension whilst
pressing the engine start/stop button.
 When you turn off the engine, the vehicle should be stopped.
ACC (Accessory)
Press the engine start/stop button when it is in the OFF position without depress-
ing the brake pedal.
The steering wheel is unlocked and elec-
trical accessories are operative.
If you leave the engine start/stop button
in the ACC position for more than 1 hour,
the engine is off automatically to prevent
the battery from discharging.
ENGINE START/STOP BUTTON (IF EQUIPPED)
WARNING
In an emergency situation whilst
the vehicle is moving, you can
switch off the engine and change
the engine start/stop button status
to the ACC position by pressing the
engine start/stop button for morethan 2 seconds or 3 times succes-
sively withinn 3 seconds. If the
vehicle is moving, you can restartthe engine without pressing the
brake pedal by pressing the engine
start/stop button with the shift leverin N(Neutral).
OYF059001R