2012 Hyundai Sonata battery replacement

49
Features of your vehicle
Battery replacement
A smart key battery should last for sever-
al years, but if the smart key is not work-
ing properly, try replacing the battery with
a new one. If you are unsure how to use
your smart key or replace the battery,
contact an authorised HYUNDAI dealer.
✽✽NOTICE
The circuit inside the smart key can
have a problem if exposed to moisture
or static electricity. If you are unsure
how to use your smart key or replace the
battery, contact an authorised
HYUNDAI dealer.
1. Pry open the rear cover of the smart key.
2. Replace the battery with a new battery (CR2032). When replacing the battery,
make sure the battery positive “+” sym-
bol faces up as indicated in the illus-
tration.
3. Install the battery in the reverse order of removal.
✽✽ NOTICE
 Using the wrong battery can cause the smart key to malfunction. Be sure to
use the correct battery.
 Circuits inside the smart key may
develop problems when dropped,
exposed to moisture or static elec-
tricity.
 If you suspect that your smart key might have sustained some damage,
or you feel your smart key is not
working correctly, contact an autho-
rised HYUNDAI dealer.
CAUTION
An inappropriately disposed bat-
tery can be harmful to the environ-
ment and human health.
Dispose the battery according toyour local law(s) or regulation.
OBH048004

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

Maintenance
46
7
Memory fuse
Your vehicle is equipped with a memory
fuse to prevent battery discharge if your
vehicle is parked without being operated
for prolonged periods. Use the following
procedures before parking the vehicle for
prolonged periods.
1. Turn off the engine.
2. Turn off the headlights and tail lights.
3. Open the driver’s side panel cover and
pull up the memory fuse.
✽✽ NOTICE
 If the memory fuse is pulled up from the fuse panel, the warning chime,
audio, clock and interior lamps, etc.,
will not operate. Some items must be
reset after replacement. Refer to
“Battery” in this section.
 Even though the memory fuse is
pulled up, the battery can still be dis-
charged by operation of the head-
lights or other electrical devices.
Engine compartment fuse replacement
1. Turn the ignition switch and all other switches off.
2. Remove the fuse panel cover by pressing the tab and pulling up.
3. Check the removed fuse; replace it if it is blown. To remove or insert the fuse, use the fuse puller in the engine com-
partment fuse panel.
4. Push in a new fuse of the same rating, and make sure it fits tightly in the clips.
If it fits loosely, consult an authorised
HYUNDAI dealer.
OYF079022OYF079023

Index
2
I
Air bags..........................................................................3-36
Air bag warning label ..............................................3-56
Air bag warning light ..............................................3-39
Curtain air bag..........................................................3-46
Driver's and passenger's front air bag ......................3-42
Side impact air bag ..................................................3-45
Air cleaner ....................................................................7-25
Alarm system ................................................................4-13
Antenna (glass) ............................................................4-107
Anti-lock brake system (ABS) ......................................5-26
Appearance care ............................................................7-62 Exterior care ............................................................7-62
Interior care ..............................................................7-67
Armrest ..........................................................................3-13
Ashtray ........................................................................4-102
Audio system ..............................................................4-107 Glass antenna ........................................................4-107
Steering wheel audio control ................................4-107
Automatic climate control system ................................4-90 Air conditioning ......................................................4-95
Automatic heating and air conditioning ..................4-91
Manual heating and air conditioning ......................4-92
Automatic transaxle ......................................................5-15 Ignition key interlock system ..................................5-20
Paddle shifter............................................................5-18 Shift lock system ......................................................5-19
Sports mode..............................................................5-18
Base kerb weight ..........................................................5-58
Battery............................................................................7-31
Battery saver function ....................................................4-69
Before driving ..................................................................5-3
Bonnet ............................................................................4-26
Bottle holders, see cup holders ....................................4-103
Brake system..................................................................5-22 Anti-lock brake system (ABS) ................................5-26
Electronic stability control (ESC) ............................5-31
Electronic stability program (ESP) ..........................5-28
Parking brake ..........................................................5-23
Power brakes ............................................................5-22
Brake/clutch fluid ..........................................................7-21
Bulb replacement ..........................................................7-55
Bulb wattage ....................................................................8-2
Button start/stop, see engine start/stop button ................5-8
A
B