2013 Chevrolet Impala Owner Manual - Page 43

Keys, Doors, and Windows 2-17 Q (Vent/Express-Open): Press this switch once to vent the sunroof when it is closed. When using the vent, the sunshade should be fully opened. The sunshade can be opened or closed manually by sliding it rearward or forward. From the vent position, press this switch again to activate the express-open feature. Press the close switch to stop movement of the sunroof. The sunshade will automatically open when using express‐open. A deflector will automatically pop up when the sunroof is opened. The deflector will retract when the sunroof is closed. R (Close): Press and hold this switch until the sunroof motor stops to close the sunroof, or release the switch when the desired position has been reached. Dirt and debris may collect on the sunroof seal or in the track. This could cause an issue with sunroof operation, noise or plugging 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 sunroof.