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The problem turned out to be a defective left rear radar sensor, which Rivian replaced under warranty. The relationship to the software update was coincidental. No issues on the drive home from the service center, so hopefully this is resolved.

On a Gen2 R1S dual motor I've been experiencing the "rear cross-traffic warning unavailable" consistently now (most times I drive) and also get a message that sensors are still "starting up" and not fully functioning. The issue seemed to manifest a couple of weeks ago after the 2025.14 software...

The mobile tech came out the day before Thanksgiving and immediately diagnosed the problem and was able to fix it in about an hour. The cause was an improperly installed hose clamp on the hose connecting the compressor exhaust to the muffler for the compressor. The clamp has a metal piece that...

I had my Gen2 R1S for a week when it started making very loud “air release” sounds from the left rear of the vehicle last Friday while driving and when changing suspension height (especially when lowering). When I’m outside the vehicle, the sound is loud enough to startle me if I’m not thinking...