sunnypilot/docs_sp/features/connected/osm-maps.md

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OSM Maps

OSM Maps

What It Does

Integrates OpenStreetMap (OSM) data to provide speed limit information, road geometry, and other map attributes. This data powers features like Speed Limit Assist and Smart Cruise Control — Map.

How It Works

1. Select your country (and state, if in the US)
2. Download the map data to your device
3. The map daemon processes the data and makes it available to driving features
4. Periodically check for updates to keep your map data current

Requirements

!!! info "Requirements" - Internet connection for initial download and updates - Storage space on the device for map data

How to Set Up

Settings → OSM

1. Select your Country
2. If in the US, select your State
3. Tap Database Update to download
4. Wait for the download to complete

Features That Use OSM Data

• Speed Limit Assist — Reads speed limits from map data
• Smart Cruise Control — Map — Uses road geometry for proactive speed adjustment

Managing Map Data

• Update: Tap "Database Update" to check for newer map data
• Delete: Tap "Delete Maps" to remove downloaded data and free storage

Settings Reference

See OSM Settings for all options and status information.