Hyundai Sonata LF Quiz
Convenient Features of Your Vehicle

Warning Messages

In this manual: Convenient Features of Your Vehicle
Your Vehicle at a Glance — 5Your Vehicle's Safety System — 48Convenient Features of Your Vehicle — 162Multimedia System — 7Driving Your Vehicle — 90What to Do in an Emergency — 32Maintenance — 59Specifications, Consumer Information and Safety Defect Reporting — 8
~5min read

Shift to P (for Smart Key System and Automatic Transmission)

  • This warning message illuminates if you try to turn off the engine without the shift lever in P (Park).
  • In this case, the engine START/STOP button turns to the ACC position (if you press the engine START/STOP button again, it will turn to the ON position).

Low Battery (for Smart Key System)

  • This warning message illuminates if the smart key battery is discharged when the engine START/STOP button is turned to the OFF position.

Press the START button while turning the steering wheel (for smart key system).

  • This warning message illuminates if the steering wheel does not unlock normally when pressing the engine START/STOP button.
  • This means you must press the engine START/STOP button while turning the steering wheel to the right and left.

Steering wheel not locked (for smart key system)

  • This warning message illuminates if the steering wheel does not lock when the engine START/STOP button is turned to the OFF position.

Check the Steering Wheel Lock System (for Smart Key System)

  • This warning message illuminates if the steering wheel does not lock normally when the engine START/STOP button is turned to the OFF position.

Press the brake pedal to start the engine (for smart key system and automatic transmission)

  • This warning message illuminates if the engine START/STOP button is pressed twice to turn to the ACC position without depressing the brake pedal.
  • This means you must depress the brake pedal to start the engine.

Key Not In Vehicle (for Smart Key System)

  • This warning message illuminates if the smart key is not in the vehicle when the engine START/STOP button is pressed.
  • This means that you always have the Smart Key with you.

Key Not Detected (for Smart Key System)

  • This warning message illuminates if the smart key is not detected when the engine START/STOP button is pressed.

Press the START button again (for Smart Key System)

  • This warning message illuminates if you cannot operate the engine start/stop button when there is a problem with the engine start/stop button system.
  • This means that you can start the engine by pressing the engine start/stop button again.
  • If the warning illuminates every time you press the engine start/stop button, we recommend that you have the vehicle inspected by an authorized HYUNDAI dealer.

Press the START button with the key (for Smart Key System)

  • This warning message illuminates if you press the engine start/stop button while the "Key Not Detected" warning message is displayed.
  • At this time, the immobilizer indicator blinks.

Check the BRAKE SWITCH fuse (for Smart Key System and Automatic Transmission).

  • This warning message illuminates if the brake switch fuse is blown.
  • This means you should replace the fuse with a new one. If this is not possible, you can start the engine by pressing the engine START/STOP button for 10 seconds in the ACC position.

Move the shift lever to P or N to start the engine (for Smart Key System and Automatic Transmission).

  • This warning message illuminates if you try to start the engine with the shift lever not in P (Park) or N (Neutral).

Information

You can start the engine when the shift lever is in N (Neutral). However, for your safety, we recommend that you start the engine with the shift lever in P (Park).

Door, Hood, or Trunk Open

This means that any door, hood, or trunk is open.

CAUTION

Before driving, make sure that the door, hood and trunk are fully closed.

Also, check that the Door/Hood/Trunk Open warning light is not illuminated or the message is not displayed on the instrument cluster.

Sunroof Open

This warning message illuminates if you turn off the engine while the sunroof is open.

Turn the FUSE SWITCH on.

  • This warning message illuminates if the fuse switch located in the fuse box under the steering wheel is turned off.
  • This means you must turn on the fuse switch.

Low Tire Pressure

This warning message illuminates if the tire pressure is low while the ignition switch or engine start/stop button is in the ON position.

Low Washer Fluid

  • This warning message illuminates if the washer fluid reservoir is nearly empty.
  • This means you should add washer fluid.

Low Fuel

• This warning message illuminates when the fuel tank is nearly empty.

- When the low fuel warning light is illuminated.
- When the trip computer shows "--- mile (or km)" as the distance to empty.
Add fuel as soon as possible.

Engine Overheated

• This warning message illuminates when the engine coolant temperature exceeds 248°F (120°C). This means the engine is overheated and may be damaged.

Check Headlamp

This warning message illuminates if a malfunction (burned-out bulb, except LED bulb, or circuit fault) occurs in the headlamp. In this case, have your vehicle inspected by an authorized HYUNDAI dealer.

NOTICE

  • When replacing a bulb, use a bulb of the same wattage. For more information, refer to "BULB WATTAGE" in Chapter 8.
  • If the vehicle is equipped with bulbs of a different wattage, this warning message will not appear.

Check Headlamp LED

This warning message is displayed if a malfunction occurs in the LED headlamp. We recommend that you have the vehicle inspected by an authorized HYUNDAI dealer.

Check the headlamp cooling fan

This warning message is displayed if there is a problem with the headlamp fan. We recommend that you have the vehicle inspected by an authorized HYUNDAI dealer.

Check Smart High Beam System

This warning message is displayed if there is a problem with the Smart High Beam System. We recommend that you have the vehicle inspected by an authorized HYUNDAI dealer.

Check AEB System

This warning message is displayed if a malfunction occurs in the Autonomous Emergency Braking (AEB) system. We recommend that the vehicle be inspected by an authorized HYUNDAI dealer.

Driver Attention Warning System Check (if equipped)

This warning message is displayed if there is a problem with the Driver Attention Warning system. We recommend that you have the vehicle inspected by an authorized HYUNDAI dealer.

Check BSD System

This warning message appears if there is a problem with the Blind-Spot Detection (BSD) system. We recommend that the vehicle be inspected by an authorized HYUNDAI dealer.

Check LKAS

This warning message appears if there is a problem with the Lane Keeping Assist System (LKAS). We recommend that you have the vehicle checked by an authorized HYUNDAI dealer.

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.