1. Find the vehicle user manual: The user manual usually contains information about the vehicle account, including how to use it and the steps to retrieve the password. For relevant information, please find the manual or contact Chevrolet customer service.
2. Contact Chevrolet customer service: You can contact Chevrolet customer service team by phone, email or online chat to provide them with relevant information about the vehicle. They may help you find your account or provide a way to reset your password.
3. Use the in-car entertainment system to reset the password: You can try to find the option to reset the account or password in the entertainment system menu of the vehicle. The specific steps may vary with different models, but you can usually find relevant options under the menu of "Settings" or "Account".
If the above methods fail to retrieve the account number, it is recommended that you contact Chevrolet authorized service center or on-site consultation with professional technicians, who will provide you with further support and help. Please note that authentication is an important step to retrieve your account to protect your personal information and vehicle safety.