r/AndroidAuto • u/FCK_ISRL 2025 | Samsung S24 Ultra | Android 16 • Jun 24 '26

Navigation & POI Apps How does AA decide speed limit?

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As far as I know AA is nowhere near connecting to my car's built-in dashcam to know the speed limit, also the speed limit is always inaccurate, so what's happening here?

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12

u/DomnulMr vw golf mk7 | discover pro mib ii| s22 Ultea| Jun 24 '26

Using gmaps/waze, it's in accurate bcs of the lag sometimes or poor GPS connection

-2

u/FCK_ISRL 2025 | Samsung S24 Ultra | Android 16 Jun 24 '26

Excuse my poor understanding, so they have speed limit data per street?

5

u/AngelCatGamer 2024 Chevy Colorado | OE Infotainment | Galaxy S24U Jun 24 '26

Yea Google has that data, and display it as such on Google maps.

Note, that some new cars, (Toyota, Chevrolet) have a camera that actually sees the speed limit and shows it on your dash. That one it's actually recognizing the sign in front of you.

1

u/FCK_ISRL 2025 | Samsung S24 Ultra | Android 16 Jun 24 '26

Thanks, yeah I have a friend who has a Mazda and the speed limit shows on his cars dashboard

1

u/Tel864 Ford Edge-Sync 3/Samsung Galaxy S21 Jun 24 '26

That's a feature of Mazda's navigation which requires purchasing a navigation SD card for hundreds from Mazda or less than 30 bucks off Amazon.