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General Motors plans to make OnStar an AI-powered assistant that can work across vehicles, phones and cloud services. The feature is due to reach the 2027 Cadillac Lyriq through an over-the-air update in the coming months, while GM plans to replace its separate Chevrolet, GMC, Cadillac and Buick apps with one OnStar app starting in 2027. Compatibility, privacy controls and the full rollout schedule remain unclear.
General Motors plans to turn OnStar into an AI-powered assistant that works across vehicles, phones and cloud services, beginning with an over-the-air update for the 2027 Cadillac Lyriq in the coming months. GM also plans to retire its separate Chevrolet, GMC, Cadillac and Buick apps as it introduces one OnStar app, a shift that would put vehicle functions and connected services under a single interface.
At an event in New York City on Wednesday, GM described a service that could use information from a driver’s vehicle and other connected services to help manage tasks. Chief Product Officer Sterling Anderson said, “The intelligence of OnStar will exist everywhere.” GM’s examples included an assistant responding to a late arrival by considering a partner’s location and a grocery pickup, then moving the pickup and notifying others. Those examples describe the company’s intended capabilities; the event report did not establish which functions will be available at launch.
The new onboard assistant is scheduled to arrive first in the 2027 Cadillac Lyriq through an over-the-air update. GM Director of Product Management for Voice and Vehicle AI Anna Santos told The Drive that the company’s goal is to make the assistant backward-compatible with some existing models and bring it to vehicles where possible. The report did not confirm which older vehicles will qualify. GM also said future versions of the Chevrolet Silverado 1500 and GMC Sierra 1500, along with other upcoming models, are expected to receive OnStar AI.
Starting in 2027, GM plans to replace the four brand-specific smartphone apps with a single OnStar app that can include vehicles from different GM brands. The company also described Connected Cameras, a feature that can record and upload footage after certain events trigger the system, such as an aggressive horn honk. Anderson said the footage would be end-to-end encrypted and accessible and shareable only by the owner. GM said owners will be able to review and control permissions for cameras, microphones, location and AI, though settings were not demonstrated at the event.
One App, More Connected Data
The plan would change OnStar from a service closely associated with in-car assistance into a shared digital interface for GM vehicles and services. A single app could simplify management for households with vehicles from more than one GM brand, while an assistant linked to calendars, routes and vehicle signals could act on information beyond the car itself. Those conveniences depend on how well the system works and what information drivers choose to share.
The same expansion puts privacy and user control at the center of the rollout. Connected Cameras could capture incidents without a driver manually starting a recording, while an AI assistant drawing on location or calendar information would have access to sensitive data. GM has described encryption and permission controls, but drivers will need practical details on what is collected, how long it is kept, and how settings affect each feature before they can judge the trade-offs.
AI car assistant for Cadillac Lyriq
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OnStar’s New Role at GM
OnStar has been part of GM’s connected-vehicle services for 30 years, according to the source report, and the company has more than 12 million subscribers. The proposed redesign builds on that existing customer base rather than introducing an entirely separate service. Anderson said customers will still be able to call and speak with a person at OnStar, preserving a human support option alongside the AI features.
The first planned vehicle launch is tied to the Lyriq’s infotainment hardware, which uses a Qualcomm Snapdragon processor. The Drive reported that many other GM electric vehicles use the same processor, but shared hardware alone does not confirm compatibility. Santos described backward compatibility as a goal, not a guarantee. GM’s announcement also points to future gasoline-powered models, including the Silverado 1500 and Sierra 1500, broadening the intended reach beyond electric vehicles.
“The intelligence of OnStar will exist everywhere.”
— GM Chief Product Officer Sterling Anderson
Compatibility and Privacy Details
GM has not identified which existing vehicles will receive the AI assistant, how many models will be supported, or whether owners will need particular hardware or subscriptions. The Lyriq launch timing was described as the coming months, but no specific date was provided. The source report also does not specify pricing, regional availability, or which assistant functions will be ready at launch.
Privacy controls were described but not shown. Details remain unclear on the information each feature collects, how long recordings and other data are stored, whether any processing happens in the vehicle or in the cloud, and what happens when a user disables a permission. GM says camera footage will be encrypted and owner-controlled, but the report does not provide an independent technical assessment or explain how the system decides that an event should trigger recording.
Lyriq Update and App Rollout
The next stated milestone is the over-the-air update bringing OnStar AI to the 2027 Cadillac Lyriq in the coming months. GM is expected to provide further details on supported features, hardware requirements and the rollout to other vehicles as launch approaches. The company’s broader plan is to introduce the consolidated OnStar app starting in 2027 and add the assistant to more new models, including specified Chevrolet and GMC trucks.
For owners, the practical test will be whether GM explains the settings clearly and provides reliable controls over data access and recording. Until the company publishes vehicle-by-vehicle eligibility, feature availability and app migration details, the scope of the reboot remains a stated plan rather than a confirmed upgrade for the wider GM fleet.
Key Questions
Which vehicle gets the OnStar AI assistant first?
GM plans to launch it first in the 2027 Cadillac Lyriq, delivered through an over-the-air update in the coming months. The company has not given a specific update date.
Will the assistant work in older GM vehicles?
Possibly, but GM has not confirmed specific models. Anna Santos told The Drive that backward compatibility with some previous vehicles is a goal, and that the company hopes to roll it out where possible.
What happens to the Chevrolet, GMC, Cadillac and Buick apps?
GM plans to replace the separate brand apps with one OnStar smartphone app starting in 2027. The new app is intended to bring vehicles from different GM brands together.
How will Connected Cameras work?
GM described a feature that can automatically record and upload footage after certain events trigger the system, with an aggressive horn honk offered as an example. Anderson said footage would be end-to-end encrypted and accessible and shareable only by the owner; detailed settings and retention rules have not been disclosed in the source report.
Source: rss
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