Lexus RX Owners Manual (RX450h): If a warning message is displayed

The multi-information display shows warnings of system malfunctions, incorrectly performed operations, and messages that indicate a need for maintenance.

When a message is shown, perform the correction procedure appropriate to the message.

Except F SPORT models

Lexus RX. Steps to take in an emergency

F SPORT models

Lexus RX. Steps to take in an emergency

  1. Master warning light
    The master warning light also comes on or flashes in order to indicate that a message is currently being displayed on the multi-information display.
  2. Multi-information display

If any of the warning messages are shown again after the appropriate actions have been performed, contact your Lexus dealer.

Messages and warnings

The warning lights and warning buzzers operate as follows depending on the content of the message. If a message indicates the need for inspection by a dealer, have the vehicle inspected by your Lexus dealer immediately.

System warning light Warning buzzer*

Warning

Comes on - Sounds Indicates an important situation, such as when a system related to driving is malfunctioning or that danger may result if the correction procedure is not performed
- Comes on or flashes Sounds Indicates an important situation, such as when the systems shown on the multi-information display may be malfunctioning
Flashes - Sounds Indicates a situation, such as when damage to the vehicle or danger may result
Comes on - Does not sound Indicates a condition, such as malfunction of electrical components, their condition, or indicates the need for maintenance
Flashes - Does not sound Indicates a situation, such as when an operation has been performed incorrectly, or indicates how to perform an operation correctly

*: A buzzer sounds the first time a message is shown on the multi-information display.

If a message instructing to refer to the Owner's Manual is displayed

  • If the following messages are shown, there may be a malfunction.

    Immediately stop the vehicle in a safe place and contact your Lexus dealer.

    Continuing to drive the vehicle may be dangerous.

    • "Braking Power Low Stop in a Safe Place See Owner's Manual"
    • "Oil Pressure Low Stop in a Safe Place See Owner's Manual"
    • "Charging System Malfunction See Owner's Manual"
  • If the following messages are shown, there may be a malfunction.

    Immediately have the vehicle inspected by your Lexus dealer.

    • "Hybrid System Malfunction"
    • "Check Engine"
    • "Hybrid Battery System Malfunction"
    • "Accelerator System Malfunction"
    • "Access System with Elec. Key Malfunction See Owner's Manual"
  • If "Engine Coolant Temp High Stop in a Safe Place See Owner's Manual" is displayed, following the instructions, accordingly.

Other messages displayed on the multi-information display

Take the appropriate actions as instructed in the message displayed.

If any of the following messages are displayed, also refer to this Owner's Manual.

■ If "Hybrid System Overheated Reduced Output Power" is shown This message may be displayed when driving under severe operating conditions.

(For example, when driving up a long steep hill.)

■ If "Hybrid Battery Low Shift Out of N to Recharge" is shown Message is displayed when the remaining charge for the hybrid battery (traction battery) is low.

As the hybrid battery (traction battery) cannot be charged when the shift lever is in N, when stopped for long periods of time shift the shift lever to P.

■ If "Hybrid Battery Low Hybrid System Stopped Shift to P and Restart" is shown Message is displayed when the remaining charge for the hybrid battery (traction battery) is low, because vehicle has been shifted N for a long period of time.

When operating the vehicle, restart the hybrid system.

■ If "Shift to P Before Exiting Vehicle" is shown Message is displayed when the driver's door is opened without turning the power switch off with the shift lever in any position other than P.

Shift the shift lever to P.

■ If "Shift Is in N Release Accelerator Before Shifting" is shown Message is displayed when the accelerator pedal has been depressed and the shift lever is in N. Release the accelerator pedal and shift the shift lever to D or R.

■ If "Depress Brake when Vehicle Is Stopped Hybrid System May Overheat" is shown Message is displayed when the accelerator pedal is depressed to maintain the vehicle position when stopped on a upward slope, etc.

If this continues, the hybrid system may overheat.

Release the accelerator pedal and depress the brake pedal.

■ If "Power Turned Off to Save Battery" is displayed This message is displayed when the power was cut off due to the automatic power off function.

The next time the hybrid system is started, increase the engine speed slightly and maintain it at that speed for approximately 5 minutes to recharge the 12- volt battery.

■ If "A New Key has been Registered Contact Your Dealer for Details" is displayed This message will be displayed each time the driver's door is opened when the doors are unlocked from the outside for approximately one week after a new electronic key has been registered.

If this message is displayed but you have not had a new electronic key registered, ask your Lexus dealer to check if an unknown electronic key (other than those in your possession) has been registered.

■ When "Headlight System Malfunction Visit Your Dealer" is displayed The following systems may be malfunctioning. Have the vehicle inspected by your Lexus dealer immediately.

  • The LED headlight system
  • The automatic headlight leveling system
  • Automatic High Beam
  • AFS (Adaptive Front-lighting System) (if equipped)

■ If "Forward Camera System Unavailable" or "Forward Camera System Unavailable Clean Windshield" is displayed The following systems may be suspended until the problem shown in the message is resolved.

  • PCS (Pre-Collision System)
  • LKA (Lane-Keeping Assist)
  • Dynamic radar cruise control with full-speed range
  • Automatic High Beam

■ If "Oil Maintenance Required Soon" is shown Indicates that the engine oil is scheduled to be changed.

Check the engine oil, and change if necessary. After changing the engine oil, the message should be reset.

■ If "Oil Maintenance Required" is shown Indicates that the engine oil should be changed.

Check and change the engine oil, and oil filter by your Lexus dealer. After changing the engine oil, the message should be reset.

■ If "Maintenance Required Soon" is displayed (U.S.A. only) Indicates that all maintenance according to the driven distance on the maintenance schedule* should be performed soon.

Comes on approximately 4500 miles (7200 km) after the message has been reset.

If necessary, perform maintenance. Please reset the message after the maintenance is performed.

*: Refer to the separate "Scheduled Maintenance" or "Owner's Manual Supplement" for the maintenance interval applicable to your vehicle.

■ If "Maintenance Required Visit Your Dealer" is displayed (U.S.A. only) Indicates that all maintenance is required to correspond to the driven distance on the maintenance schedule*.

Comes on approximately 5000 miles (8000 km) after the message has been reset.

(The indicator will not work properly unless the message has been reset.) Perform the necessary maintenance. Please reset the message after the maintenance is performed.

*: Refer to the separate "Scheduled Maintenance" or "Owner's Manual Supplement" for the maintenance interval applicable to your vehicle.

■ System warning lights The master warning light does not come on or flash in the following cases. Instead, a separate system warning light will come on along with a message shown on the multi-information display.

  • "Braking Power Low Visit Your Dealer": The brake system warning light (yellow) come on.
  • "Antilock Brake System Malfunction Visit Your Dealer": The ABS warning light comes on.
  • "Charging System Malfunction See Owner's Manual" (F SPORT models): The charging system warning light comes on.

NOTICE

■ "High Power Consumption Partial Limit On AC/Heater Operation" is frequently shown There is a possible malfunction relating to the charging system or the 12-volt battery may be deteriorating. Have the vehicle inspected by your Lexus dealer.

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