diff --git a/lib/servicios/arranque_audio.dart b/lib/servicios/arranque_audio.dart
index 23ac4be..17f3956 100644
--- a/lib/servicios/arranque_audio.dart
+++ b/lib/servicios/arranque_audio.dart
@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:developer' as developer;
 
 import 'package:flutter/material.dart';
 
@@ -94,16 +93,18 @@ StreamSubscription<Object> observarErroresAudio(
   );
 }
 
-/// Default [observarErroresAudio] logger: one `[PluriWave]`-prefixed
-/// `developer.log` line per swallowed plugin exception, at the same
-/// `level: 900` (SEVERE) that `servicio_audio.dart`'s existing error lines
-/// use, so a single logcat/DevTools filter catches both.
+/// Default [observarErroresAudio] logger: one line per swallowed plugin
+/// exception.
+///
+/// Uses [debugPrint], NOT `dart:developer`'s `log`. That distinction is the
+/// whole reason this channel existed for weeks without ever producing a
+/// single line of evidence: `log()` writes to the VM service, which a
+/// RELEASE build does not have, so every exception this was built to catch
+/// was still being thrown away — just one layer further down than before.
+/// `debugPrint` reaches logcat in release, which is the only build that ever
+/// runs in the car.
 void registrarErrorAudioService(Object error) {
-  developer.log(
-    '[PluriWave] AudioService.asyncError: $error',
-    name: 'ArranqueAudio',
-    level: 900,
-  );
+  debugPrint('[PluriWave][ArranqueAudio] AudioService.asyncError: $error');
 }
 
 /// Minimal branded bootstrap widget for the degraded path (Design "still
diff --git a/lib/servicios/cola_local.dart b/lib/servicios/cola_local.dart
index ccc95fb..98924fc 100644
--- a/lib/servicios/cola_local.dart
+++ b/lib/servicios/cola_local.dart
@@ -97,7 +97,5 @@ DecisionAvanceCola decidirAvanceCola({
 /// distinct `ColaLocal` during the async URI-resolve gap is correctly
 /// detected as stale and aborts the advance, instead of silently racing an
 /// external play/stop.
-bool avanceEsValido(
-  ColaLocal? colaLocalActual,
-  ColaLocal? siguienteEsperado,
-) => identical(colaLocalActual, siguienteEsperado);
+bool avanceEsValido(ColaLocal? colaLocalActual, ColaLocal? siguienteEsperado) =>
+    identical(colaLocalActual, siguienteEsperado);
diff --git a/lib/servicios/musica_local_auto.dart b/lib/servicios/musica_local_auto.dart
index 51f1faa..cfd2595 100644
--- a/lib/servicios/musica_local_auto.dart
+++ b/lib/servicios/musica_local_auto.dart
@@ -61,9 +61,10 @@ String nombreCarpetaDesdeUri(String treeUri, {required String nombreGenerico}) {
     segmento = documentId.substring(ultimaBarra + 1);
   } else {
     final ultimosDosPuntos = documentId.lastIndexOf(':');
-    segmento = ultimosDosPuntos >= 0
-        ? documentId.substring(ultimosDosPuntos + 1)
-        : documentId;
+    segmento =
+        ultimosDosPuntos >= 0
+            ? documentId.substring(ultimosDosPuntos + 1)
+            : documentId;
   }
 
   final recortado = segmento.trim();
@@ -200,10 +201,9 @@ class FuenteMusicaLocalAutoImpl implements FuenteMusicaLocalAuto {
     try {
       final uri = await _uriPersistida();
       if (uri == null || uri.isEmpty) return false;
-      final valido = await _canal.invokeMethod<bool>(
-        'hasPersistedPermission',
-        {'treeUri': uri},
-      );
+      final valido = await _canal.invokeMethod<bool>('hasPersistedPermission', {
+        'treeUri': uri,
+      });
       return valido ?? false;
     } catch (_) {
       // Cold-start / revoked-permission safety (Spec "Permission revoked or
diff --git a/lib/servicios/servicio_audio.dart b/lib/servicios/servicio_audio.dart
index 55b9352..87be70f 100644
--- a/lib/servicios/servicio_audio.dart
+++ b/lib/servicios/servicio_audio.dart
@@ -1,9 +1,8 @@
 import 'dart:async';
-import 'dart:developer' as developer;
 import 'dart:ui' show Locale;
 
 import 'package:audio_service/audio_service.dart';
-import 'package:flutter/foundation.dart' show visibleForTesting;
+import 'package:flutter/foundation.dart' show debugPrint, visibleForTesting;
 import 'package:just_audio/just_audio.dart';
 
 import '../l10n/display_names.dart';
@@ -836,7 +835,14 @@ class PluriWaveAudioHandler extends BaseAudioHandler
   /// `eqDisponible` rides along because the equalizer custom action is gated
   /// on it and the flag is otherwise unobservable — one car session answers
   /// both questions at once:
-  ///   adb logcat -s ServicioAudio
+  ///
+  ///   adb logcat | grep PluriWave
+  ///
+  /// It uses [debugPrint] and NOT `dart:developer`'s `log`, and that is not a
+  /// style choice. `log()` writes to the VM service, which a RELEASE build
+  /// does not have — so this trace, and every error line in this file, was
+  /// invisible in the only build that ever runs in a car. Weeks of "no
+  /// evidence" were this, not a quiet app. Do not convert these back.
   void _trazarEstadoPublicado() {
     final s = playbackState.value;
     final traza =
@@ -846,7 +852,7 @@ class PluriWaveAudioHandler extends BaseAudioHandler
         'controles=${s.controls.length}';
     if (traza == _ultimaTrazaEstado) return;
     _ultimaTrazaEstado = traza;
-    developer.log(traza, name: 'ServicioAudio');
+    debugPrint('[PluriWave][ServicioAudio] estado $traza');
   }
 
   /// Binds [construirControlesTransporte] — which holds the whole contract,
@@ -909,11 +915,7 @@ class PluriWaveAudioHandler extends BaseAudioHandler
       mensaje = _textos.audioErrorGeneric;
     }
 
-    developer.log(
-      '[PluriWave] Error reproducción: $codigoLog',
-      name: 'ServicioAudio',
-      level: 900,
-    );
+    debugPrint('[PluriWave][ServicioAudio] Error reproducción: $codigoLog');
 
     _detenerReconexion();
     playbackState.add(
@@ -956,12 +958,10 @@ class PluriWaveAudioHandler extends BaseAudioHandler
     }
 
     _reconectando = true;
-    developer.log(
-      '[PluriWave] Stall de red, reintento ${_reconexion.intentos}/'
+    debugPrint(
+      '[PluriWave][ServicioAudio] Stall de red, reintento ${_reconexion.intentos}/'
       '${_reconexion.maxReintentos} en '
       '${_reconexion.retrasoParaIntento(_reconexion.intentos).inSeconds}s',
-      name: 'ServicioAudio',
-      level: 800,
     );
     playbackState.add(
       playbackState.value.copyWith(
@@ -1207,11 +1207,8 @@ class PluriWaveAudioHandler extends BaseAudioHandler
       rethrow;
     } on Exception catch (e, stackTrace) {
       _cambiandoFuente = false;
-      developer.log(
-        '[PluriWave] Error inesperado en playMediaItem: $e',
-        name: 'ServicioAudio',
-        level: 900,
-        stackTrace: stackTrace,
+      debugPrint(
+        '[PluriWave][ServicioAudio] Error inesperado en playMediaItem: $e',
       );
       if (revision == _revisionFuente) {
         playbackState.add(
@@ -1264,11 +1261,8 @@ class PluriWaveAudioHandler extends BaseAudioHandler
   void _iniciarPlaySinBloquear(MediaItem mediaItem, int revision) {
     unawaited(
       _player.play().catchError((Object error, StackTrace stackTrace) {
-        developer.log(
-          '[PluriWave] Error al iniciar ${mediaItem.title}: $error',
-          name: 'ServicioAudio',
-          level: 900,
-          stackTrace: stackTrace,
+        debugPrint(
+          '[PluriWave][ServicioAudio] Error al iniciar ${mediaItem.title}: $error',
         );
         if (revision == _revisionFuente) {
           _gestionarErrorReproduccion(error);
@@ -1553,11 +1547,7 @@ class PluriWaveAudioHandler extends BaseAudioHandler
       if (destino == null) return;
       await playMediaItem(mediaItemParaEmisora(destino, l10n: _textos));
     } catch (e) {
-      developer.log(
-        '[PluriWave] Error saltando de emisora: $e',
-        name: 'ServicioAudio',
-        level: 900,
-      );
+      debugPrint('[PluriWave][ServicioAudio] Error saltando de emisora: $e');
     }
   }
 
@@ -1720,10 +1710,8 @@ class PluriWaveAudioHandler extends BaseAudioHandler
       if (emisora == null) return;
       await playMediaItem(mediaItemParaEmisora(emisora, l10n: _textos));
     } catch (e) {
-      developer.log(
-        '[PluriWave] Error en playFromSearch($query): $e',
-        name: 'ServicioAudio',
-        level: 900,
+      debugPrint(
+        '[PluriWave][ServicioAudio] Error en playFromSearch($query): $e',
       );
     }
   }
@@ -1793,10 +1781,8 @@ class PluriWaveAudioHandler extends BaseAudioHandler
       );
     } catch (e) {
       // Spec "Unknown or stale media id": never propagate from the handler.
-      developer.log(
-        '[PluriWave] Error en playFromMediaId($mediaId): $e',
-        name: 'ServicioAudio',
-        level: 900,
+      debugPrint(
+        '[PluriWave][ServicioAudio] Error en playFromMediaId($mediaId): $e',
       );
     }
   }
diff --git a/lib/servicios/servicio_audio_session.dart b/lib/servicios/servicio_audio_session.dart
index 87e08fc..659944d 100644
--- a/lib/servicios/servicio_audio_session.dart
+++ b/lib/servicios/servicio_audio_session.dart
@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:developer' as developer;
 
 import 'package:audio_session/audio_session.dart';
 import 'package:flutter/foundation.dart';
@@ -89,10 +88,8 @@ class ServicioAudioSession {
         (_) => unawaited(manejarDesconexionSalida()),
       );
     } catch (e) {
-      developer.log(
-        '[PluriWave] No se pudo configurar la sesion de audio: $e',
-        name: 'ServicioAudioSession',
-        level: 900,
+      debugPrint(
+        '[PluriWave][ServicioAudioSession] No se pudo configurar la sesion de audio: $e',
       );
     }
   }
diff --git a/lib/servicios/servicio_dispositivo_audio.dart b/lib/servicios/servicio_dispositivo_audio.dart
index fa274ea..453fe7f 100644
--- a/lib/servicios/servicio_dispositivo_audio.dart
+++ b/lib/servicios/servicio_dispositivo_audio.dart
@@ -157,7 +157,9 @@ class ServicioDispositivoAudioReal extends ServicioDispositivoAudio {
   @override
   Future<Map<String, String>> obtenerNombresEmparejados() async {
     try {
-      final raw = await _methodChannel.invokeMethod<Map>('getBondedDeviceNames');
+      final raw = await _methodChannel.invokeMethod<Map>(
+        'getBondedDeviceNames',
+      );
       if (raw == null) return const {};
       return {
         for (final entry in raw.entries)
diff --git a/lib/servicios/servicio_ecualizador.dart b/lib/servicios/servicio_ecualizador.dart
index efdbb47..d371e0b 100644
--- a/lib/servicios/servicio_ecualizador.dart
+++ b/lib/servicios/servicio_ecualizador.dart
@@ -70,7 +70,10 @@ class ServicioEcualizador {
     final porEmisora = _leerPresetsPorEmisora(prefs);
     final presetsDispositivo = _leerMapa(prefs, _keyPresetsPorDispositivo);
     final presetsMatriz = _leerMapa(prefs, _keyPresetsMatriz);
-    final nombresDispositivos = _leerMapaStrings(prefs, _keyNombresDispositivos);
+    final nombresDispositivos = _leerMapaStrings(
+      prefs,
+      _keyNombresDispositivos,
+    );
     return ConfiguracionEcualizador(
       principal: principal,
       porEmisora: porEmisora,
@@ -124,21 +127,22 @@ class ServicioEcualizador {
     String prefijo,
   ) async {
     final presetsPorDispositivo = _leerMapa(prefs, _keyPresetsPorDispositivo);
-    final dispositivos = presetsPorDispositivo.keys
-        .where((clave) => clave.startsWith(prefijo))
-        .toList();
+    final dispositivos =
+        presetsPorDispositivo.keys
+            .where((clave) => clave.startsWith(prefijo))
+            .toList();
 
     final nombres = _leerMapaStrings(prefs, _keyNombresDispositivos);
-    final nombresAPurgar = nombres.keys
-        .where((clave) => clave.startsWith(prefijo))
-        .toList();
+    final nombresAPurgar =
+        nombres.keys.where((clave) => clave.startsWith(prefijo)).toList();
 
     final matriz = _leerMapa(prefs, _keyPresetsMatriz);
-    final matrizAPurgar = matriz.keys.where((clave) {
-      final separador = clave.indexOf(':');
-      if (separador == -1) return false;
-      return clave.substring(separador + 1).startsWith(prefijo);
-    }).toList();
+    final matrizAPurgar =
+        matriz.keys.where((clave) {
+          final separador = clave.indexOf(':');
+          if (separador == -1) return false;
+          return clave.substring(separador + 1).startsWith(prefijo);
+        }).toList();
 
     for (final clave in dispositivos) {
       presetsPorDispositivo.remove(clave);
@@ -183,11 +187,12 @@ class ServicioEcualizador {
     // (station UUIDs are RFC4122 and contain no colons — multi-device-eq
     // ADR-3), since deviceId itself may contain colons (e.g. a MAC-based id).
     final presetsMatriz = _leerMapa(prefs, _keyPresetsMatriz);
-    final clavesMatrizAPurgar = presetsMatriz.keys.where((clave) {
-      final separador = clave.indexOf(':');
-      if (separador == -1) return false;
-      return clave.substring(separador + 1) == deviceId;
-    }).toList();
+    final clavesMatrizAPurgar =
+        presetsMatriz.keys.where((clave) {
+          final separador = clave.indexOf(':');
+          if (separador == -1) return false;
+          return clave.substring(separador + 1) == deviceId;
+        }).toList();
     if (clavesMatrizAPurgar.isNotEmpty) {
       for (final clave in clavesMatrizAPurgar) {
         presetsMatriz.remove(clave);