TSB: Buick Temp Gauge After Remote Start

Some Buick Envision owners have reported that after using remote start, the temperature gauge displays a high reading before normalizing. The cause is identified as an instrument cluster software glitch, which can be fixed by updating the cluster software to the latest version.
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June 23, 2026
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Buick Temp Gauge After Remote Start

This bulletin applies to 2021-2023 Buick Envision vehicles. Some customers may comment that after a remote start, the temperature gauge reads high for a period of time and then returns to normal. The cause may be an instrument cluster software issue. To correct this, update the IPC (cluster) with the latest software

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