Buick Regal Owners & Service Manuals

Buick Regal: Connections

The following OnStar services help with staying connected.

Ensuring Security

  • Change the default passwords for the Wi-Fi hotspot and myBuick mobile application.

    Make these passwords different from each other and use a combination of letters, numbers, and symbols to increase the security.

  • Change the default name of the SSID (Service Set Identifier).

    This is your network's name that is visible to other wireless devices. Choose a unique name and avoid family names or vehicle descriptions.

OnStar Wi-Fi Hotspot (If Equipped)

The vehicle may have a built-in Wi-Fi hotspot that provides access to the Internet and web content at 4G LTE speed. Up to seven mobile devices can be connected. A data plan is required. Use the in-vehicle controls only when it is safe to do so.

1. To retrieve Wi-Fi hotspot information, press the OnStar app on the to open the OnStar app on the infotainment display, then select Wi-Fi Hotspot. On some vehicles, touch Wi-Fi or Settings on the screen.

2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID), password, and on some vehicles, the connection type (no Internet connection, 3G, 4G, 4G LTE), and signal quality (poor, good, excellent).

3. To change the SSID or password, press 1-888-4ONSTAR to connect or call 1-888-4ONSTAR to connect with an Advisor. On some vehicles, the SSID and password can be changed in the Wi-Fi Hotspot menu.

After initial set-up, your vehicle's Wi-Fi hotspot will connect automatically to your mobile devices. Manage data usage by turning Wi-Fi on or off on your mobile device, by using the myBuick mobile app, or by contacting an OnStar Advisor. On some vehicles, Wi-Fi can also be managed from the Wi-Fi Hotspot menu.

MyBuick Mobile App (If Available)

Download the myBuick mobile app to compatible Apple and Android smartphones. Buick users can access the following services from a smartphone:

  • Remotely start/stop the vehicle, if factory-equipped.
  • Lock/unlock doors, if equipped with automatic locks.
  • Activate the horn and lamps.
  • Check the vehicle's fuel level, oil life, or tire pressure, if factory-equipped with the Tire Pressure Monitor System.
  • Send destinations to the vehicle.
  • Locate the vehicle on a map (U.S. market only).
  • Turn the vehicle's Wi-Fi hotspot on/off, manage settings, and monitor data consumption, if equipped.
  • Locate a dealer and schedule service.
  • Request roadside assistance.
  • Set a parking reminder with pin drop, take a photo, make a note, and set a timer.
  • Connect with Buick on social media.

An active OnStar service, compatible device, factory-installed remote start, and power locks are required. Data rates apply. See www.onstar.com for details and system limitations.

Remote Services

Contact an OnStar Advisor to unlock the doors or sound the horn and flash the lamps.

OnStar AtYourService

OnStar Advisors can provide offers from restaurants and retailers on your route, help locate hotels, or book a room. These services vary by market.

OnStar Hands-Free Calling

Make and receive calls with the built-in wireless calling service, which requires available minutes.

Functionality of the Voice Command button may vary by vehicle and region. For some vehicles, press to open the OnStar app on the to open the OnStar app on the infotainment display, then select Hands-Free calling. For other vehicles press Make a Callas follows.

Make a Call

1. Press . System responds: "OnStar ready."

2. Say "Call." System responds: "Call. Please say the name or number to call."

3. Say the entire number without pausing, including a "1" and the area code. System responds: "OK, calling."

Calling 911 Emergency

1. Press . System responds: "OnStar ready."

2. Say "Call." System responds: "Call. Please say the name or number to call."

3. Say "911" without pausing.

System responds: "911."

4. Say "Call." System responds: "OK, dialing 911."

Retrieve My Number

1. Press . System responds: "OnStar ready."

2. Say "My number." System responds: "Your OnStar Hands-Free Calling number is," then says the number.

End a Call

Press ended.. System responds: "Call ended."

Verify Minutes and Expiration

Press and say "Minutes" then "Verify" to check how many minutes remain and their expiration date.


By monitoring and reporting on the vehicle's key systems, OnStar Advanced Diagnostics provides a way to keep up on maintenance.

Capabilities vary by model. See www.onstar.com for details and system limitations. Message and data rates may apply.

Advanced Diagnostics requires an active OnStar paid service plan, e-mail address on file, and enrollment in Advanced Diagnostics.


  • Diagnostic Alerts: Set preferences to receive real-time e-mails, texts, or monthly reports of the vehicle's health. Or press initiate a remote diagnostic to have an Advisor initiate a remote diagnostic report.
  • Proactive Alerts: Receive a real-time e-mail or text message regarding potential issues with key vehicle components, such as the battery, fuel system, or starter system. Alerts for potential issues appear on the infotainment display. Proactive Alerts are designed to help predict specific types of issues based on information collected from the vehicle. Other factors may affect vehicle performance.

    Not all issues will deliver alerts.

    In some cases, a dealer service check may be required to confirm the accuracy of the alerts.

  • Dealer Maintenance Notification: Have the vehicle notify your preferred dealer when it is time for maintenance. Your dealer will then contact you to set up an appointment.


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