key battery HYUNDAI TUCSON 2021 User Guide

3-116
Convenient features of your vehicle
Headlamp and Parking lamp
When the headlamp (lamp switch in
the headlamp or AUTO position) is
on and all doors (and liftgate) are
locked and closed, the parking lamp
and headlamp will come on for 15
seconds when the door unlock but-
ton is pressed on the remote key or
smart key.
At this time, if you press the door lock
or unlock button, the parking lamp
and headlamp will turn off immedi-
ately.
You can activate or deactivate the
Welcome Light from the User
Settings Mode on the LCD display.
For more details, refer to the "LCD
Display" section in this chapter.
Interior lamp
When the interior lamp switch is in
the DOOR position and all doors (and
tailgate) are closed and locked, the
room lamp will come on for 30 sec-
onds if any of the below is performed.
When the door unlock button is
pressed on the remote key or
smart key.
When the button of the outside
door handle is pressed.
At this time, if you press the door lock
or unlock button on the remote key or
smart keythe room lamp will turn off
immediately.
Interior Lights
Do not use the interior lights for
extended periods when the engine
is turned off or the battery will dis-
charge.
NOTICE
Do not use the interior lights
when driving in the dark. The inte-
rior lights may obscure your view
and cause an accident.
WARNING

5-7
Driving your vehicle
5
Key ignition switch positions
Switch
PositionActionNotice
LOCK
To turn the ignition switch to the LOCK position, push the
key in slightly at the ACC position and turn the key
towards the LOCK position.
The ignition key can be removed in the LOCK position.
The steering wheel locks to protect the vehicle from theft.
(if equipped)
ACC
Some of the electrical accessories are usable.
The steering wheel unlocks.
ON
This is the normal key position when the engine has
started.
All features and accessories are usable.
The warning lights can be checked when you turn the
ignition switch from ACC to ON.Do not leave the ignition switch in the ON position when
the engine is not running in order to prevent the battery
from discharging.
START
To start the engine, turn the ignition switch to the START
position. The switch returns to the ON position when you
let go of the key.The engine will crank until you release the key.

5-13
Driving your vehicle
5
To prevent damage to the vehicle:
If the engine stalls while you are
in motion, do not attempt to
move the shift lever to the P
(Park) position.
If traffic and road conditions
permit, you may put the shift
lever in the N (Neutral) position
while the vehicle is still moving
and press the Engine Start/Stop
button in an attempt to restart
the engine.
Do not push or tow your vehicle
to start the engine.To prevent damage to the vehicle:
When the stop lamp fuse is blown,
you can't start the engine normal-
ly. Replace the fuse with a new
one. If you are not able to replace
the fuse, you can start the engine
by pressing and holding the
Engine Start/Stop button for 10
seconds with the Engine Start/
Stop button in the ACC position.
Do not press the Engine Start/Stop
button for more than 10 seconds
except when the stop lamp fuse is
blown.
For your safety always depress
the brake pedal before starting the
engine.
Information
If the smart key battery is weak or the
smart key does not work correctly,
you can start the engine by pressing
the Engine Start/Stop button with the
smart key in the direction of the pic-
ture above.
i
NOTICENOTICE
OTL058008

7-62
Maintenance
Engine compartment main fuse panel
Fuse Name Fuse ratingCircuit Protected
WIPER FRT210A BCW
E-CVVT220A [G4KJ] PCM
E-CVVT120A [G4KJ] PCM
WIPER FRT125A Ignition Switch (W/O Smart Key), PDM (IG2) Relay (With Smart Key)
TCU115A [G4FJ] TCM (7DCT), [G4KJ] PCM
A/C10A E/R Junction Block (A/C Relay)
ECU320A PCM (G4NC/G4KJ) / ECM (G4FJ)
HORN15A Horn Relay
BATTERY
MANAGEMENT10A Not Used
SENSOR210A
[G4NC] Oil Control Valve #1/#2, Camshaft Position Sensor #1/#2, Purge Control Solenoid Valve, Variable Intake Solenoid Valve, Canister Close Valve, E/R Junction Block (A/C Relay,
Cooling Fan High Relay)
[G4FJ] Oil Control Valve #1/#2, Purge Control Solenoid Valve, Canister Close Valve, RCV Control Solenoid Valve, E/R Junction Block (A/C Relay, Cooling Fan High Relay)
[G4KJ] Canister Close Valve, Variable Intake Solenoid Valve, E/R Junction Block (A/C Relay, Cooling Fan High Relay)
SENSOR115A Oxygen Sensor (Up)/(Down)
ECU220A IGNITION COIL #1/#2/#3/#4, Condenser (G4NC)
ECU515A PCM (G4NC) / ECM (G4FJ)
ECU415A PCM (G4NC/G4KJ) / ECM (G4FJ)
SENSOR310A[G4NC] PCM
[G4FJ] ECM
[G4KJ] Purge Control Solenoid Valve, Oil Control Valve

I-2
Accessing Your Vehicle ....................................................3-4
Immobilizer System ...................................................3-13
Remote Key ..................................................................3-4
Smart Key.....................................................................3-8
Air Bag - Advanced Supplemental Restraint System.....2-48
Additional Safety Precautions ....................................2-72
Air Bag Warning Labels.............................................2-73
Curtain air bags ..........................................................2-53
Driver's front air bag ..................................................2-50
How Does the Air Bag System Operate? ...................2-54
Occupant Classification System (OCS) .....................2-59
Passenger's front air bag.............................................2-50
Side air bags ...............................................................2-51
SRS Care ....................................................................2-71
What to Expect After an Air Bag Inflates ..................2-58
Where Are the Air Bags? ...........................................2-50
Why Didn't My Air Bag Go Off in a Collision?........2-65
Air Cleaner......................................................................7-25
Filter Replacement .....................................................7-25
Air Conditioning System ..................................................8-7
All Wheel Drive (AWD) .................................................5-43
AWD operation...........................................................5-45
Emergency precautions ..............................................5-49
Anti-lock Brake System (ABS) ......................................5-33Appearance Care .............................................................7-75
Exterior Care ..............................................................7-75
Interior Care ...............................................................7-80
Auto Hold .......................................................................5-30
Automatic Climate Control System..............................3-137
Automatic Heating and Air Conditioning ................3-138
Manual Heating and Air Conditioning .....................3-139
System Maintenance ................................................3-148
System Operation .....................................................3-146
Automatic Transmission .................................................5-14
Automatic transmission operation..............................5-14
Good Driving Practices ..............................................5-19
Battery .............................................................................7-33
Battery Recharging .....................................................7-34
For Best Battery Service ............................................7-34
Reset Features ............................................................7-35
Before Driving ..................................................................5-4
Before Entering the Vehicle .........................................5-4
Before Starting .............................................................5-4
Blind-Spot Collision Warning (BCW) System ...............5-52
BCW (Blind-Spot Collision Warning) .......................5-53
Blind-Spot Collision Warning - Sensor Location ......5-57
Limitations of the System ..........................................5-58
RCCW (Rear Cross-Traffic Collision Warning) ........5-55
Index
A
B