2018 Hyundai Sonata ignition

3-67
Convenient features of your vehicle
3
Do not operate the engine within
the tachometer's RED ZONE. This
may cause severe engine damage.
Engine Coolant TemperatureGauge
This gauge indicates the tempera-
ture of the engine coolant when the
ignition switch or Engine Start/Stop
button is ON. If the gauge pointer moves
beyond the normal range area
toward the "H" position, it indi-
cates overheating that may dam-
age the engine.
Do not continue driving with an
overheated engine. If your vehicle
overheats, refer to "If the Engine
Overheats" in chapter 6.
NOTICENOTICE
OLF047107
OLF047506
■
Type A, B
■ Type C, D
Never remove the radiator cap
when the engine is hot. The
engine coolant is under pres-
sure and could severely burn.
Wait until the engine is cool
before adding coolant to the
reservoir.
WARNING

3-79
Convenient features of your vehicle
If the service interval is activated and
the time and distance is adjusted,
messages are displayed in the fol-
lowing situations each time the vehi-
cle is turned on.
- Service in: Displayed to inform the driver theremaining mileage and days to
service.
- Service required : Displayed when the mileage anddays to service has been reached
or passed.
Information
If any of the following conditions
occur, the mileage and number of days
to service may be incorrect.
- The battery cable is disconnected.
- The fuse switch is turned off.
- The battery is discharged. 7. Other Features
Fuel Economy Auto Reset
- Off: The average fuel economy will
not reset automatically whenever
refueling.
- After Ignition: The average fuel economy will reset automatically
whenever it has passed 4 hours
after turning OFF the engine.
- After recharging: The average fuel economy will reset automatically
when refueling.
For more information, refer to
"Trip Computer" in this chapter.
Fuel Economy Unit
To select the fuel economy unit.
(km/L, L/100, MPG)
Temperature Unit
To select the temperature unit.
(°C,°F)
Tire Pressure Unit
To select the tire pressure unit.
(psi, kPa, bar) 8. Reset
You can reset the menus in the User
Settings Mode. All menus in the User
Settings Mode are initialized, except
language and service interval.
i
3

3-87
Convenient features of your vehicle
Automatic reset
To automatically reset the average
fuel economy after refueling, select
the "Auto Reset" mode in User
Settings menu on the LCD display.
- After Ignition: The average fueleconomy will reset automatically
whenever it has passed 4 hours
after turning OFF the engine.
- After Refueling: The average fuel economy will reset automatically
when driving speed exceeds 0.6
MPH, after adding 1.6 gallons (6
liters) of fuel or more.
Information
The average fuel economy may be
inaccurate, when the vehicle drives
shorter than 0.19 miles (300 meters)
after turning ON the Engine Start/
Stop button.
Instant Fuel Economy (3)
This mode displays the instant fueleconomy during the last few sec-
onds when the vehicle speed is
more than 6.2 MPH (10 km/h).
Accumulated Info display
This display shows the accumulated
trip distance (1), the average fuel
economy (2), and the total driving
time (3).
The information is calculated starting
from the last reset.
To manually reset the information,
press and hold the OK button when
viewing the Accumulated driving info.
The trip distance, the average fuel
economy, and total driving time will
reset simultaneously. The accumulated driving information
will continue to be counted while the
engine is still running (for example,
when the vehicle is in traffic or
stopped at a stop light.)
Information
The vehicle must be driven for a min-
imum of 0.19 miles (300 meters) since
the last ignition key cycle before the
average fuel economy will be recalcu-
lated.
i
i
3
OLF047689N

3-88
Convenient features of your vehicle
Driving Info display
This display shows the trip distance
(1), the average fuel economy (2),
and the total driving time (3).
The information is calculated for
each ignition cycle. The driving infor-
mation data gets initialized, when it
has passed 4 hours after turning
OFF the engine. In other words, the
last driving information is available 4
hours after you have turned on the
engine.To manually reset the information,
press and hold the OK button when
viewing the Driving info. The trip dis-
tance, the average fuel economy,
and total driving time will reset simul-
taneously.
The driving information will continue
to be counted while the engine is still
running (for example, when the vehi-
cle is in traffic or stopped at a stop
light.)
Information
The vehicle must be driven for a min-
imum of 0.19 miles (300 meters) since
the last ignition key cycle before the
average fuel economy will be recalcu-
lated.
Digital Speedometer
This message shows the speed of
the vehicle (MPH).
iOLF047690NOLF047635N

3-90
Convenient features of your vehicle
Warning LightsInformation
Make sure that all warning lights are
OFF after starting the engine. If any
light is still ON, this indicates a situa-
tion that needs attention.
Supplemental RestraintSystem Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 6seconds and then goes off.
When there is a malfunction with the SRS.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Seat Belt Warning Light
This warning light informs the driver
that the seat belt is not fastened.
For more information, refer to the
"Seat Belts" in chapter 2.
i
W W A
AR
RN
N I
IN
N G
G
A
A N
N D
D
I
IN
N D
DI
IC
C A
A T
TO
O R
R
L
L I
IG
G H
H T
TS
S

3-91
Convenient features of your vehicle
3
Parking Brake & BrakeFluid Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds.
- It remains on if the parking brake is applied.
When the parking brake is applied.
When the brake fluid level in the reservoir is low.
- If the warning light illuminateswith the parking brake released, it
indicates the brake fluid level in
reservoir is low.
If the brake fluid level in the reser-
voir is low:
1. Drive carefully to the nearest safe location and stop your vehicle.
2. With the engine stopped, check the brake fluid level immediately and
add fluid as required (For more
information, refer to "Brake
Fluid" in chapter 7) . Then check all
brake components for fluid leaks. If
any leak on the brake system is still
found, the warning light remains on,
or the brakes do not operate prop-
erly, do not drive the vehicle. In this
case, have your vehicle inspected
by an authorized HYUNDAI dealer.
Dual-diagonal braking system
Your vehicle is equipped with dual-
diagonal braking systems. This
means you still have braking on two
wheels even if one of the dual sys-
tems should fail.
With only one of the dual systems
working, more than normal pedal
travel and greater pedal pressure are
required to stop the vehicle.
Also, the vehicle will not stop in as
short a distance with only a portion
of the brake system working.
If the brakes fail while you are driv-
ing, shift to a lower gear for addition-
al engine braking and stop the vehi-
cle as soon as it is safe to do so.

3-92
Convenient features of your vehicle
Anti-lock Brake System(ABS) Warning Light
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It illuminates for approximately 3seconds and then goes off.
When there is a malfunction with the ABS (The normal braking sys-
tem will still be operational without
the assistance of the anti-lock
brake system).
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
Electronic Brake forceDistribution (EBD)System Warning Light
These two warning lights illuminate
at the same time while driving:
When the ABS and regular brake
system may not work normally.
In this case, have your vehicle
inspected by an authorized HYUNDAI
dealer.
Parking Brake & Brake Fluid
Warning Light
Driving the vehicle with a warn-
ing light ON is dangerous. If the
Parking Brake & Brake Fluid
Warning Light illuminates with
the parking brake released, it
indicates that the brake fluid
level is low.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING

3-93
Convenient features of your vehicle
3
Information - Electronic
Brake force Distribution (EBD)
System Warning Light
When the ABS Warning Light is on or
both ABS and Parking Brake & Brake
Fluid Warning Lights are on, the
speedometer, odometer, or tripmeter
may not work. Also, the EPS Warning
Light may illuminate and the steering
effort may increase or decrease.
In this case, have your vehicle inspect-
ed by an authorized HYUNDAI dealer.Electric Power Steering (EPS)Warning Light (if equipped)
This warning light illuminates:
Once you set the ignition switch or
the Engine Start/Stop button to the
ON position.
- It remains on until the engine isstarted.
When there is a malfunction with the EPS.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
i
Electronic Brake force
Distribution (EBD) System
Warning Light
When both ABS and Parking
Brake & Brake Fluid Warning
Lights are on, the brake system
will not work normally and you
may experience an unexpected
and dangerous situation during
sudden braking.
In this case, avoid high speed
driving and abrupt braking.
In this case, have your vehicle
inspected by an authorized
HYUNDAI dealer.
WARNING