GM Revamps OnStar with New AI Assistant Debuting in 2027 Cadillac Lyriq

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General Motors is overhauling its 30-year-old OnStar connected car service by integrating an in-house AI assistant starting with the 2027 Cadillac Lyriq. A new OnStar mobile app will also launch in 2027, replacing existing brand apps and the OnStar Guardian app.

General Motors (GM) is giving its longstanding connected car service, OnStar, one of the most significant updates in its three-decade history by introducing a personal AI assistant. The new OnStar AI Assistant will first roll out in the 2027 Cadillac Lyriq electric vehicle and will be extended to other GM models in the future, as announced at the GM Forward event in New York.

Alongside the AI assistant, GM plans to launch a revamped OnStar mobile app in 2027. This app will replace the current OnStar Guardian app introduced in 2020, along with the various vehicle brand-specific apps for Buick, Cadillac, Chevrolet, and GMC. This consolidation aims to offer a unified, seamless experience synchronized with the in-car software.

Unlike previous modernization attempts that leaned on third-party AI solutions, GM’s new AI assistant is developed in-house to provide a more personalized and interactive experience for drivers and passengers. The system will use the vehicle’s connected cameras to deliver live views and capture safety-related events—such as activating recording during aggressive horn honks—which users can review and manage via the app. Voice commands will enable control over vehicle functions like climate settings and allow users to inquire about specific vehicle features.

This strategic pivot positions OnStar as a “connected intelligence platform” rather than merely a call center, aiming to deliver predictive and proactive support tailored to owners’ needs. GM’s Chief Product Officer Sterling Anderson described the transformation as moving beyond the service’s traditional emergency assistance roots.

The upgrade reflects broader trends in the automotive industry to embed advanced technology and AI deeply within the vehicle architecture, moving away from aftermarket features to integrated systems. GM has adapted its software development approach and vehicle electrical architecture to support this shift.

Addressing past concerns about data privacy, GM emphasized enhanced user control over what data is shared, with recordings encrypted and subject to time limits. Importantly, GM and OnStar themselves cannot access recordings from the Connected Cameras.

This revamp underscores GM’s ambition to build a $25 billion subscription business by 2030, with AI and connected services central to its growth strategy. The OnStar AI Assistant marks a major step in repositioning OnStar as a technology-forward platform in the evolving automotive landscape.