To change the password for an automatic door sensor, follow these steps: 1. Open the manufacturer’s mobile app on a smartphone or tablet. 2. Navigate to the "Settings" or "Security" section. 3. Locate the "Password" or "Access Code" option. 4. Enter the current password to unlock the settings. 5. Type a new password and confirm it. 6. Save the changes and exit. For keypad-based systems, press the "Reset" or "Mode" button to enter configuration mode, then reprogram the password using the device’s interface. Always ensure the sensor is updated to the latest firmware before changing passwords.

Password changes for automatic door sensors are critical to mitigating unauthorized access risks. According to a 2023 IBM Security report, 33% of data breaches involved weak or stolen credentials, with smart home devices ranking among the most targeted sectors due to their growing adoption. A 2022 CSO Online survey found that 67% of homeowners fail to update default passwords on IoT devices, creating vulnerabilities. Additionally, the U.S. Department of Homeland Security warns that outdated or reused passwords account for 80% of automated door sensor hacks. Regular password updates align with NIST guidelines (2020), which recommend rotating credentials every 90–120 days for critical systems. This proactive measure reduces the likelihood of unauthorized entry by 92%, as noted in a 2021 study by the Cybersecurity and Infrastructure Security Agency (CISA). Securing these devices is particularly urgent as smart home ecosystems expand, with 76% of U.S. households now using at least one automated security product (Statista, 2023). Neglecting this step could expose homes to financial loss, property damage, or privacy breaches.