Root CA Certificate Installation

Click the button below to download the Root CA certificate used by this system, then install it in your browser or OS trust store.

If the file does not download, ensure HTTP access to this server is allowed and try again.
Windows
  1. Download root_ca.crt.
  2. Double-click the file.
  3. Click Install Certificate....
  4. Choose Local Machine (requires administrator privileges) or Current User, then click Next.
  5. Select Place all certificates in the following store and pick Trusted Root Certification Authorities.
  6. Finish and accept the warning, then restart the browser.
Android (Chrome / system browser)
  1. Download root_ca.crt.
  2. If asked, keep the .crt extension.
  3. Open Settings > Security or Security & privacy.
  4. Go to Encryption & credentials or Install certificates > Install from storage.
  5. Select root_ca.crt and install it as a CA certificate.
  6. Confirm the warning and reopen the browser.
Android (Firefox, allow user CAs)
  1. First install the certificate in Android as above (Chrome / system steps).
  2. Open Firefox on Android.
  3. Open Settings > About Firefox.
  4. Press the Firefox logo 5 times or until a message appears.
  5. Go back to Settings > Secret Settings.
  6. Enable Use third party CA certificates.
  7. Reopen the browser.
iOS / iPadOS
  1. Download root_ca.crt.
  2. Open Settings > General > VPN & Device Management.
  3. Tap the profile Muller Automotive Root CA, then tap Install and enter the device passcode.
  4. Open Settings > General > About > Certificate Trust Settings.
  5. Enable your new root certificate.