3597 is similar to 37x0/34x0: Diagnostics Page>Diagnostic Logging>Start Recording>Check 'GPX', then press top LH corner (the 3 bars)>Start. The counter appears on the map page. You may also consider using pedestrian mode as suggested by Angelozip, and disabling the 'lock on road' by using off-road mode.
For visible trip log on map: Settings>Map & Vehicle>Map Layers then check 'Trip Log'.
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