Weird Noise while New Silverado 1500 2021 over 80 miles per hour and blind spot sensor failure

[Yu Feng]

Just bought a new Silverado 1500 RST. As in the attached video, when the speed is over 80, the "flapping" sound just happened all the time. Anybody knows why? 

In addition, the blind spot sensors sometimes just not working. There is even one time it has a warned message "side detection system temporarily unavailable". So frustrated, since this is a new vehicle. 

Thank you for your time in advance for sharing thoughts. 

[GMCustomerService]

On 9/11/2022 at 11:21 PM, Yu Feng said:

Just bought a new Silverado 1500 RST. As in the attached video, when the speed is over 80, the "flapping" sound just happened all the time. Anybody knows why? 

In addition, the blind spot sensors sometimes just not working. There is even one time it has a warned message "side detection system temporarily unavailable". So frustrated, since this is a new vehicle. 

Thank you for your time in advance for sharing thoughts. 

This is certainly not what we like to hear, Yu Feng.  Please know, customer satisfaction is extremely important to us. Our team would be more than happy to take a closer look into the concerns with your 2021 Chevrolet Silverado. To do so, please send an email to [email protected] with ATTN: Yu Feng/GM Trucks in the subject line.

Please include your contact information, VIN, a brief description of your concern, and the name of your preferred dealership. We look forward to hearing from you. To learn more about GM’s privacy policy, please visit https://www.gm.com/privacy-statement.html.
 
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