Google Assistant Shutdown Set for September as Gemini Faces Android Auto Hands-Free Calling Glitches

Google is preparing to decommission its legacy Google Assistant service in September, establishing Gemini as the primary digital assistant across the Android operating system. The transition comes as the mountain View search giant continues embedding generative artificial intelligence across its ecosystem, positioning the model to handle tasks ranging from email composition and web page summarization to photo editing, restaurant reservations, and digital shopping.

However, the forced migration to Gemini has highlighted persistent technical vulnerabilities in fundamental mobile tasks, particularly hands-free voice calling via Android Auto, according to testing and analysis first reported by ZDNET. While the legacy Google Assistant reliably executed voice commands to initiate phone calls within seconds, Gemini has frequently failed to complete basic voice-dialing functions when paired with vehicle infotainment displays.

Software reliability issues have impacted Gemini's voice functionality for several months. In one widely documented incident in June 2026, a system bug displaying the error message "Something went wrong. Please try again" disrupted voice services across both standalone Android devices and Android Auto systems, prompting affected users to temporarily revert to Google Assistant. Additional user reports on platforms such as Reddit have detailed systemic failures, including Gemini refusing to play requested audio tracks or recognize basic command requests whether connected to car systems or operating independently.

Hands-on testing conducted on hardware including a Google Pixel 9 Pro connected to vehicle systems revealed that Gemini frequently produces complete silence instead of placing requested calls. These failures persist even after users perform standard troubleshooting procedures recommended by Google, such as clearing the Gemini application cache and deleting local app storage data.

Safety advocates and technology analysts note that functional breakdowns in vehicle voice interfaces carry operational risks for drivers. In 2024, distracted driving accounted for 3,208 fatalities in the United States. When automated voice-dialing tools fail inside moving vehicles, drivers are often tempted to look away from the road to interact directly with physical smartphone screens or dashboard touchscreens.

While motorists can temporarily bypass Android Auto integration to reduce Gemini call failures, doing so disconnects essential in-vehicle features like Google Maps navigation. Drivers seeking to place calls safely must resort to waiting at traffic signals, pulling off the road, or using physical steering wheel controls to scroll through contact directories, which still requires visual attention away from traffic.

Beyond vehicle integration, Gemini's underlying software framework presents compatibility conflicts with alternative Android customization tools. Testing demonstrated that third-party home screen launchers often fail to render or trigger the Gemini overlay required to monitor hotwords like "Hey Google" or "OK Google," completely disabling hands-free voice dialing functionality regardless of whether Android Auto is active.

While Google has published troubleshooting documentation for standalone Gemini voice dialing issues on mobile devices, those remediation steps currently do not resolve integration glitches specific to Android Auto or third-party launcher software. With the September deadline for retiring Google Assistant approaching, the company faces pressure to stabilize core voice mechanics across its mobile and automotive software suite.