2021 HYUNDAI SANTA FE HYBRID change key battery

04
4-23
Press brake pedal to start engine (if
equipped)
This message is displayed if the Engine
Start/Stop button changes to the ACC
position twice by pressing the button
repeatedly without depressing the brake
pedal.
You can start the vehicle by depressing
the brake pedal and then pressing the
Engine Start/Stop button.
Key not in vehicle (if equipped)
This message is displayed if the smart
key is not in the vehicle when you press
the Engine Start/ Stop button.
When attempting to start the vehicle,
always have the smart key with you.
Key not detected (if equipped)
This message is displayed if the smart
key is not detected when you press the
Engine Start/Stop button.
Press START button again (if
equipped)
This message is displayed if you were
unable to start the vehicle when the
Engine Start/Stop button was pressed.
If this occurs, attempt to start the engine
by pressing the Engine Start/ Stop button
again.
If the warning message appears each
time you press the Engine Start/Stop
button, we recommend that you have
the vehicle inspected by an authorized
HYUNDAI dealer.
Press START button with key (if
equipped)
This message is displayed if you press
the Engine Start/Stop button while the
warning message “Key not detected” is
displayed.
At this time, the immobilizer indicator
light blinks.
Check BRAKE SWITCH fuse (if
equipped)
This message is displayed if the brake
switch fuse is disconnected.
You need to replace the fuse with a new
one before starting the engine.
If that is not possible, you can start the
engine by pressing the Engine Start/
Stop button for 10 seconds in the ACC
position.
12V battery discharging due to
additional electrical devices (if
equipped)
This message is displayed if the 12V
battery voltage is weak due to any
non-factory electrical accessories (ex.
dashboard camera) while parking. Be
careful that the battery is not discharged.
If the message appears after removing
the non-factory electrical accessories,
we recommend that you have the vehicle
inspected by an authorized HYUNDAI
dealer.

05
5-9
Information
This device complies with Part 15 of the
FCC rules.
Operation is subject to the following three
conditions:
1. This device may not cause harmful
interference.
2. This device must accept any
interference received, including
interference that may cause undesired
operation.
3. Changes or modifications not expressly
approved by the party responsible
for compliance could void the user’s
authority to operate the device.
NOTICE
• Keep the smart key away from
electromagnetic materials that
blocks electromagnetic waves to the
key surface.
• Always have the smart key with
you when leaving the vehicle. If the
smart key is left near the vehicle, the
vehicle battery may be discharged.
Battery replacement
If the Smart Key is not working properly,
try replacing the battery with a new one.
Battery Type: CR2032
To replace the battery:
ODN8059266
If the Smart Key is not working properly,
try replacing the battery with a new one.
Remove the smart key cover by turning
the screwdriver clockwise by inserting
the screwdriver (-) into the hole.
Battery Type: CR2032
To replace the battery:
1. Remove the mechanical key.
2. Use a slim tool to pry open the rear
cover of the smart key.
3. Remove the old battery and insert the
new battery. Make sure the battery
position is correct.
4. Reinstall the rear cover of the smart
key.
If you suspect your smart key might have
sustained some damage, or you feel
your smart key is not working correctly,
it is recommended that you contact an
authorized HYUNDAI dealer.
Information
An inappropriately disposed battery can be harmful to
the environment and human
health. Dispose of the battery
according to your local law(s) or
regulations.

06
6-13
5. When the message ‘Vehicle will stay in
(N). Change gear to cancel’ (or ‘N will
stay engaged when the vehicle is Off’)
appears on the cluster LCD display,
press the Engine Start/Stop button
while depressing the brake pedal.
However, if you open the driver’s or
front passenger’s door, the gear will
automatically shift to P (Park) and the
Engine Start/ Stop button will change to
the OFF position.
When the battery is discharged:
You cannot shift the shift button, when
the battery is discharged.
In emergencies, do the following to
move the shift button to N (Neutral) on a
level ground.
1. Connect the battery cables from
another vehicle or from another
battery.
For more details, refer to “Jump
Starting” in chapter 8.
2. Release the parking brake with the
Engine Start/Stop button in the ON
position.
3. Shift the gear to the N(Neutral)
position refer to the “Stay in Neutral
when vehicle is Off” in this chapter.
Parking
Always come to a complete stop and
continue to depress the brake pedal.
Move the shift button into the P (Park)
position, apply the parking brake, and
place the ignition switch in the LOCK/
OFF position. Take the Key with you
when exiting the vehicle.
• The gear is shifted to P (Park) position
automatically for safety under the
following conditions.
-When the driver unfastens the
seat belt and opens the driver’s
door in the “Stay in Neutral when
the ignition is in the ON or OFF
condition
-When turning off the engine in the
R (Reverse) / D (Drive) or N (Neutral)
position
This is supplemental function for safety.
Always check the P (Park) position is
shifted.
WARNING
When you stay in the vehicle with
the engine running, be careful not to
depress the accelerator pedal for a long
period of time. The engine or exhaust
system may overheat and start a fire.
The exhaust gas and the exhaust system
are very hot. Keep away from the
exhaust system components.
Do not stop or park over flammable
materials, such as dry grass, paper or
leaves. They may ignite and cause a fire.