General Motors will introduce an AI-powered OnStar Assistant in the 2027 Cadillac Lyriq, allowing drivers to control vehicle functions, access live data and switch to human advisers when needed.
General Motors is preparing to give OnStar a more capable artificial intelligence layer, turning the long-running connected-services platform into a more personalised in-car assistant. According to the company’s announcement and coverage from automotive outlets, the new OnStar AI Assistant will use natural-language voice commands to handle vehicle-specific tasks, draw on real-time data and offer responses tailored to the model the driver is using. It is due to debut in the 2027 Cadillac Lyriq through an over-the-air update, with other GM vehicles expected to follow.
The system is designed to go beyond simple voice control. Drivers will be able to ask it to change cabin temperature, switch on interior lighting, open the glovebox or charge-port door, and check information such as tyre pressure, remaining range and charging-related guidance. GM says the assistant can also answer questions about vehicle features in a way that is specific to each car. If the software cannot resolve a request on its own, it will pass the conversation to a live OnStar adviser, combining automated assistance with human support.
GM is also planning a broader overhaul of its mobile services. From 2027, the company will introduce a new OnStar app that brings together the AI assistant, OnStar Guardian and the current mobile applications for Chevrolet, Cadillac, GMC and Buick into a single platform. The app will include features such as connected cameras, which can automatically capture and store footage when an event is detected, and an OnStar Family function aimed at helping households share destinations, coordinate journeys and monitor family vehicles.
Beyond private ownership, GM has said it intends to extend the same connected-intelligence approach to fleet operations through OnStar Fleet Intelligence. The company also suggested that the wider software strategy will support more proactive services across the vehicle, the app and fleet management tools. Taken together, the changes indicate that GM sees OnStar moving from a reactive emergency and support service to a more central digital layer for vehicle control, data access and everyday use.
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