Buick Regal: Roof
On vehicles with a sunroof, the switches are on the overhead console.
The sunroof only operates when the ignition is in ON/RUN or ACC/ ACCESSORY or in Retained Accessory Power (RAP). See Retained Accessory Power (RAP) for more information.
To open or close the sunroof, press the open or close sunroof switch (A) to the first detent position.
To express open or close the sunroof with the safety function enabled, press the open or close sunroof switch (A) to the second detent position and release. To stop the movement, press the switch again.
To automatically tilt or close the sunroof, press the tilt open or close sunroof switch (B).
If an object is in the path of the sunroof while it is closing, the anti-pinch feature will detect the object and stop the sunroof.
The sunroof glass panel cannot be opened or closed if the vehicle has an electrical failure.
Dirt and debris may collect on the sunroof seal or in the track. This could cause an issue with sunroof operation, noise, or plugging within the water drainage system.
Periodically open the sunroof and remove any obstacles or loose debris. Wipe the sunroof seal and roof sealing area using a clean cloth, mild soap, and water. Do not remove grease from the sunroof.
The sunshade is manually operated.
Close or open the sunshade by sliding. When the sunroof is opened, the sunshade is always open.
If the sunroof has any resistance during automatic closing, it will immediately stop and reverse.
To override the safety function, press and hold the close sunroof switch. The sunroof closes without the safety function. To stop the movement, release the switch.
Initializing the Sunroof
If the sunroof cannot be fully closed, or the express open or close feature does not function, the sunroof may need to be initialized. This can happen if the battery has been disconnected or the sunroof has been serviced.
To initialize the sunroof:
1. Press the close sunroof switch to the first detent position. Hold the switch in this position for 10 seconds after the sunroof has fully closed.
2. Press the open sunroof switch to the first detent position. Release the switch when the sunroof is fully opened.
3. Press the open sunroof switch to the first detent position and hold for 10 seconds. The sunroof will automatically close. The switch can be released when the sunroof stops.
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