2022 HYUNDAI ELANTRA HYBRID engine overheat

08
8-9
WARNING
Never remove the engine
coolant cap and/or inverter
coolant cap or the drain plug
while the engine and radiator
are hot.
Hot coolant and steam may blow out
under pressure, causing serious injury.
Turn the hybrid system off and wait until
the engine cools down. Use extreme
care when removing the engine coolant
cap and/or inverter coolant cap. Wrap
a thick towel around it, and turn it
counterclockwise slowly to the first
stop. Step back while the pressure is
released from the cooling system. When
you are sure all the pressure has been
released, press down on the cap, using
a thick towel, and continue turning
counterclockwise to remove it.
CAUTION
• Serious loss of coolant indicates a
leak in the cooling system and should
be checked as soon as possible by an
authorized HYUNDAI dealer.
• When the engine overheats from
low engine coolant, suddenly adding
engine coolant may cause cracks
in the engine. To prevent damage,
add engine coolant slowly in small
quantities.

08
8-27
BasiC troUBlesHooting gUide
SYMPTOM
PROBABLE CAUSE
Starter won’t function
Engine turns over but will not start
Engine misfires
Engine overheats
Engine stops while driving driving
Fuel consumption is excessive
Brake pedal is spongy
Braking power is insufficient
Steering wheel is heavy
Steering wheel shakes
Steering wheel pulls to one side while driving
Vehicle pulls to one side while braking
Tire wear is abnormal
Charge warning light comes on while driving
Wipers, horn or lights won’t funciton
Battery discharge is excessive
Engine overheating O
Low fuel level O O
Fuel lines clogged O O
Fuel pump defective O O
Strainer clogged O O
Rich mixture O O O Water intrusion into fuel O O O
Coolant leakage OHigh idle speed O
Engine oil insufficient or defective O O
Battery fluid shortage O O
Battery discharged O O O
Battery terminal poor contact O O
Starter or ignition switch malfunction O
Ignition timing incorrect O O O Spark plugs deteriorated O O Spark plugs defective O

Emergency Situations
8-28
SYMPTOM
PROBABLE CAUSE
Starter won’t function
Engine turns over but will not start
Engine misfires
Engine overheats
Engine stops while driving driving
Fuel consumption is excessive
Brake pedal is spongy
Braking power is insufficient
Steering wheel is heavy
Steering wheel shakes
Steering wheel pulls to one side while driving
Vehicle pulls to one side while braking
Tire wear is abnormal
Charge warning light comes on while driving
Wipers, horn or lights won’t funciton
Battery discharge is excessive
Ignition circuit faulty O O Ignition coil or condensor faulty O O O
Distributor faulty O
Alternator belt loose O O O O O Check fuses, bulbs or wiring O
Brake dragging O O
Shift lever not positioned in
"P" or "N" range O
Frequent driving in lower gear O
Air intrusion into brake lines O
Brake fluid insufficient O
Brake disc and pads wet O O
Brake pad wear O O
Wheel alignment incorrect O O O O O O Wheel balance incorrect O O
Tire pressure incorrect
(too low or high) O O O O
Tire size incorrect O

09
9-17
WARNING
Make sure the coolant cap is properly
closed after refilling coolant. Otherwise
the engine could be overheated while driving.
Engine compartment front viewEngine compartment front view
OOSH089010LOOSH089010L
1. Check if the coolant cap label is straight In front.
Engine compartment rear viewEngine compartment rear view
OCN7H090009OCN7H090009
2. Make sure that the tiny protrusions inside the coolant cap is securely
interlocked. Recommended engine coolant

09
9-19
Checking the Hybrid Starter &
Generator (HSG) Belt
Have the Hybrid Starter & Generator
(HSG) belt inspected or replaced
according to the Maintenance Schedule
in this chapter by an authorized
HYUNDAI dealer.
CAUTION
When the HSG belt is worn out or
damaged, replace the belt.
Otherwise, it may cause engine
overheating or battery discharge.
WARNING

Index
I-6
I
If the 12 Volt Battery Is Discharged ...................................................................... 8-5
Before Jump Starting .......................................................................................... 8-5
Jump Starting...................................................................................................... 8-6 If the Engine Overheats ......................................................................................... 8-8
Check tire Pressure ........................................................................................... 8-10
If the Engine Will Not Start ................................................................................... 8-4
If you Have a Flat Tire (With spare tire) .............................................................8-16
Changing Tires ................................................................................................. 8-17
Towing Service ................................................................................................. 8-22
Ignition Switch ...................................................................................................... 6-5
Engine Start/Stop Button ................................................................................... 6-8
Key Ignition Switch ........................................................................................... 6-5
Important Safety Precautions ................................................................................. 3-2
Air Bag Hazards ................................................................................................. 3-2
Always Wear Your Seat Belt .............................................................................. 3-2
Control Your Speed ............................................................................................ 3-2
Driver Distraction ............................................................................................... 3-2
Keep Your Vehicle in Safe Condition ................................................................. 3-2
Restrain All Children .......................................................................................... 3-2
In Case of an Emergency While Driving ...............................................................8-3
If the Engine Stalls at a Crossroad or Crossing ..................................................8-3
If the Engine Stalls While Driving ..................................................................... 8-3
If You Have a Flat Tire While Driving ...............................................................8-3
Infotainment System ............................................................................................ 5-93
Antenna ............................................................................................................ 5-93
Bluetooth® Wireless Technology Hands-Free .................................................5-95
How Vehicle Radio Works ............................................................................... 5-96
Infotainment System ........................................................................................ 5-95
Steering wheel Audio Control .......................................................................... 5-94
USB Port .......................................................................................................... 5-93
Voice Recognition ............................................................................................ 5-95
Instrument Cluster ................................................................................................. 4-4
Gauges and Meters ............................................................................................. 4-5
Instrument Cluster Control ................................................................................. 4-5
LCD Display Messages .................................................................................... 4-20
Transmission Shift Indicator .............................................................................. 4-9
Warning and Indicator Lights ........................................................................... 4-10