Opening and closing the windows and moon roof. Moon roof
The Lexus GS moon roof system combines elegant design with functionality. Automatic opening, closing and tilt functions, together with jam protection and a link to the door lock, make it convenient and safe. This section provides clear operating instructions and information on reinitializing the system in case of a malfunction. This allows you to enjoy the open sky worry-free at any time.
Use the roof switches to open, close, tilt up and lower the moon roof.
Opening and Closing

- Opening the moon roof*.
To reduce wind noise, the moon roof does not open fully.
Press the switch again to
- fully open the moon roof.
Closing the moon roof*
*: Lightly press either moon roof switch to stop the moon roof partway.
Tilting up and lowering

- Tilting up the moon roof*
- Lowering the moon roof*
*: Lightly press either moon roof switch to stop the moon roof partway.
Conditions for operating the moon roof
The engine switch is in the IGNITION ON mode.
Operating the moon roof after the engine is turned off
The moon roof can still be operated for approximately 45 seconds after the engine switch is turned to ACCESSORY or off. However, it cannot be operated once either front door has been opened.
Pinch Protection
If an object is caught between the moon roof and the frame while the moon roof is closing or lowering, the movement stops and the moon roof opens slightly.
Sun visor
The sunshade can be opened and closed manually. However, when the moon roof is opened, the sunshade opens automatically.
Moon roof operation linked to the door lock
- The moon roof can be opened and closed with the mechanical key.*
- The moon roof can be opened and closed with the remote transmitter.*
*: Customization of these settings must be performed at a Lexus dealer or authorized repairer, or another qualified workshop with the appropriate equipment.
If the moon roof does not close properly
Do the following:
- If the moon roof closes and then opens slightly again
- Stop the vehicle.
- Press and hold the "CLOSE" switch.*1 The moon roof closes, opens again and pauses for approximately 10 seconds.*2 Then it closes again, tilts up and pauses for approximately 1 second.
Finally, it lowers, opens and closes.
- Make sure the moon roof is fully closed, then release the switch.
- If the moon roof lowers and then tilts up again
- Stop the vehicle.
- Press and hold the "UP" switch*1 until the moon roof moves to the tilted-up position and stops.
- Release the "UP" switch briefly, then press and hold it again.*1 The moon roof pauses in the tilted-up position for approximately 10 seconds.*2 Then it moves slightly and stays in position for approximately 1 second. Finally, it lowers, opens and closes.
- Make sure the moon roof is fully closed, then release the switch.
*1: If you release the switch at the wrong time, the entire procedure must be repeated.
*2: If the switch is released after the 10-second pause described above, automatic operation is deactivated. In this case, press and hold the "CLOSE" or "UP" switch. The moon roof then tilts up and stays in that position for approximately 1 second. Then it lowers, opens and closes. Make sure the moon roof is fully closed, then release the switch.
If the moon roof still does not close fully after the steps above have been performed correctly, have the vehicle inspected by a Lexus dealer or authorized repairer, or another qualified and properly equipped repair facility.
Moon roof open warning buzzer
The warning buzzer sounds and a message is shown on the multi-information display in the instrument cluster if the engine switch is turned off and the driver's door is opened while the moon roof is still open.
Customization
You can change the settings (e.g., window operation linked to door lock).
WARNING
Observe the following precautions.
Otherwise, fatal or serious injuries may result.
Opening the moon roof
- Do not allow passengers to put their hands or heads out of the vehicle while driving.
- Do not sit on the moon roof.
Closing the moon roof
- The driver is responsible for opening and closing the sunroof.To prevent unintended operation (especially by a child), do not allow children to operate the sunroof. Body parts of children and other passengers could become trapped in the sunroof.
- Make sure no passenger can get a body part caught in the sunroof while it is operating.
- When using the remote control or the mechanical key to operate the sunroof, first make sure no passenger can get a body part caught in the sunroof. Also make sure children do not operate the sunroof with the remote control or the mechanical key. Children or other passengers could become trapped in the sunroof.
- Before leaving the vehicle, turn the engine switch off, take the key with you and exit the vehicle together with the child. Otherwise, during play or similar activity, the switches may be operated unintentionally, which could result in an accident.
Anti-pinch function
- Never intentionally try to activate the anti-pinch function with a body part.
- If an object becomes trapped when the sunroof is almost closed, the anti-pinch function may not activate.
The sunroof in the Lexus GS 2016–2020 offers comfort and functionality. Thanks to the anti-pinch function and easy operation via switch, use is safe and convenient. The manually operated sunshade also complements the high-quality overall design.
The combination of technology and safety makes the sunroof of the Lexus GS GRL1 an ideal addition for drivers who want to enjoy fresh air and panoramic views.
Test yourself
A quick Lexus GS quiz: every answer comes with an explanation and a link to the manual page.