diff --git a/src/views/dashboards/userDashboard/wash/MyWashStart.vue b/src/views/dashboards/userDashboard/wash/MyWashStart.vue
index 45fea378..2092804f 100644
--- a/src/views/dashboards/userDashboard/wash/MyWashStart.vue
+++ b/src/views/dashboards/userDashboard/wash/MyWashStart.vue
@@ -54,9 +54,12 @@ const isVehicleStepNextLoading = ref(false);
 const hasStartFormUserInput = ref(false);
 const shouldRestoreServerActiveWash = ref(false);
 const isRestoringServerActiveWash = ref(false);
+const isSyncingActiveWash = ref(false);
 const MIN_FINISHING_SCREEN_MS = 250;
 const RECENT_COMPLETED_WASH_KEY = "mywash_recent_completed_v1";
 const RECENT_COMPLETED_WASH_SUPPRESSION_MS = 10 * 60 * 1000;
+const ACTIVE_WASH_REFRESH_MS = 5 * 1000;
+const WASH_START_SERVER_SYNC_GRACE_MS = 10 * 1000;
 
 const normalizePositiveInteger = (value: any) => {
   const parsed = parseInt(String(value ?? ""), 10);
@@ -374,6 +377,7 @@ const completeGuidedWash = async () => {
 };
 
 const unregisterBeforeUnload = ref<null | (() => void)>(null);
+const activeWashRefreshInterval = ref<ReturnType<typeof window.setInterval> | null>(null);
 
 const registrationOptions = computed(() =>
   customerVehicles.value
@@ -505,12 +509,7 @@ const questionReviewStateKey = computed(() => {
     return "";
   }
 
-  return [
-    normalizeLicensePlate(licensePlateInput.value),
-    normalizeLaneId(radioLaneOption.value) ?? "",
-    vehicleTypeSelect.value ?? "",
-    visibleQuestionIds,
-  ].join("|");
+  return [normalizeLicensePlate(licensePlateInput.value), vehicleTypeSelect.value ?? "", visibleQuestionIds].join("|");
 });
 
 const hasConfirmedCurrentQuestionReview = computed(
@@ -893,6 +892,111 @@ const scheduleServerActiveWashRestore = (delayMs = 0) => {
   }, delayMs);
 };
 
+const clearLocalActiveWashFromServer = () => {
+  const completedLaneId = washLaneId.value;
+  markRecentlyCompletedWash(completedLaneId, licensePlateInput.value, getNumericCustomerNumber());
+  completedDurationMs.value = washStartTime.value ? now.value - washStartTime.value : 0;
+  currentStep.value = steps.COMPLETED;
+  washInProgress.value = false;
+  washLaneId.value = null;
+  washStartTime.value = null;
+  shouldRestoreServerActiveWash.value = false;
+  stopElapsedTimer();
+  clearProgress();
+  resetGuidedWashStep();
+};
+
+const syncActiveWashWithServer = async () => {
+  if (isSyncingActiveWash.value || !washInProgress.value || !washLaneId.value) {
+    return;
+  }
+
+  const laneId = normalizeLaneId(washLaneId.value);
+  if (!laneId) {
+    clearLocalActiveWashFromServer();
+    return;
+  }
+
+  isSyncingActiveWash.value = true;
+  try {
+    const response = await SessionUser.request("/modules/self-serve/lane/wash/in-progress", "GET", {
+      lane_id: laneId,
+    });
+    const details = unwrapApiData(response);
+    if (!Object.prototype.hasOwnProperty.call(details || {}, "in_progress")) {
+      return;
+    }
+
+    const customerNumber = getNumericCustomerNumber();
+    const serverCustomerNumber = normalizePositiveInteger(
+      details?.session?.customer_number ?? details?.customer?.customer_number
+    );
+    const serverStillMatchesCurrentWash =
+      !!details?.in_progress && (!customerNumber || !serverCustomerNumber || serverCustomerNumber === customerNumber);
+
+    if (!serverStillMatchesCurrentWash || isRecentlyCompletedActiveWash({ details, laneId })) {
+      const isWithinStartGracePeriod =
+        washStartTime.value && Date.now() - washStartTime.value < WASH_START_SERVER_SYNC_GRACE_MS;
+      if (isWithinStartGracePeriod && !isRecentlyCompletedActiveWash({ details, laneId })) {
+        return;
+      }
+
+      clearLocalActiveWashFromServer();
+      return;
+    }
+
+    const session = details?.session || {};
+    const vehicle = details?.vehicle || {};
+    const serverReg = normalizeLicensePlate(session?.reg ?? vehicle?.reg);
+    if (serverReg) {
+      licensePlateInput.value = serverReg;
+    }
+
+    applyEffectiveCustomerNumberInput(session?.customer_number ?? details?.customer?.customer_number ?? customerNumber);
+    vehicleTypeSelect.value =
+      normalizePositiveInteger(session?.vehicle_type_id ?? vehicle?.type) ?? vehicleTypeSelect.value;
+    radioWashType.value = session?.machine_relay_enabled ? "Machine" : radioWashType.value;
+    washStartTime.value =
+      parseServerDateTimeMs(session?.wash_started_at) ??
+      parseServerDateTimeMs(session?.machine_start_triggered_at) ??
+      parseServerDateTimeMs(session?.machine_relay_enabled_at) ??
+      washStartTime.value;
+
+    const summaryParams: Record<string, any> = session?.id
+      ? { session_id: session.id }
+      : { lane_id: laneId, reg: normalizeLicensePlate(licensePlateInput.value) };
+    const selectedVehicleTypeId = normalizePositiveInteger(vehicleTypeSelect.value);
+    if (selectedVehicleTypeId) {
+      summaryParams.vehicle_type = selectedVehicleTypeId;
+    }
+    await fetchWashSummary(summaryParams, false);
+    saveProgress("serverActiveWashRefresh");
+  } catch (error) {
+    console.warn("Failed to refresh active self-serve wash:", error);
+  } finally {
+    isSyncingActiveWash.value = false;
+  }
+};
+
+const stopActiveWashRefresh = () => {
+  if (activeWashRefreshInterval.value) {
+    window.clearInterval(activeWashRefreshInterval.value);
+    activeWashRefreshInterval.value = null;
+  }
+};
+
+const startActiveWashRefresh = () => {
+  stopActiveWashRefresh();
+  if (!washInProgress.value || !washLaneId.value) {
+    return;
+  }
+
+  syncActiveWashWithServer();
+  activeWashRefreshInterval.value = window.setInterval(() => {
+    syncActiveWashWithServer();
+  }, ACTIVE_WASH_REFRESH_MS);
+};
+
 const retrySelfServeData = async () => {
   if (isSelfServeRetrying.value) {
     return;
@@ -979,6 +1083,29 @@ const onVehicleStepNext = async () => {
   }
 };
 
+const onPreviousStep = (fallbackPrevious: { action?: () => void } | null = null) => {
+  if (washInProgress.value || currentStep.value === steps.COMPLETED) {
+    return;
+  }
+
+  if (currentStep.value === steps.QUESTIONS) {
+    currentStep.value = steps.VEHICLE;
+    return;
+  }
+
+  if (currentStep.value === steps.SELECT_LANE) {
+    currentStep.value = visibleQuestions.value.length > 0 ? steps.QUESTIONS : steps.VEHICLE;
+    return;
+  }
+
+  if (currentStep.value === steps.TASKS) {
+    currentStep.value = steps.SELECT_LANE;
+    return;
+  }
+
+  fallbackPrevious?.action?.();
+};
+
 const onToggleTask = (taskId: number, value: boolean) => {
   completedTasks.value = {
     ...completedTasks.value,
@@ -1071,6 +1198,7 @@ onUnmounted(() => {
   }
 
   stopAutoRefresh();
+  stopActiveWashRefresh();
   markDestroying();
   setShowFooterInContent(true);
 });
@@ -1198,6 +1326,15 @@ watch(
   { deep: true }
 );
 
+watch([() => washInProgress.value, () => washLaneId.value], ([inProgress]) => {
+  if (inProgress) {
+    startActiveWashRefresh();
+    return;
+  }
+
+  stopActiveWashRefresh();
+});
+
 watch(
   () => nearestDepartment.value,
   (newValue) => {
@@ -1219,11 +1356,7 @@ watch(
   (newLaneId) => {
     if (newLaneId && newLaneId !== "Any" && !isRestoring.value) {
       fetchSelfServeData().then(() => {
-        if (
-          (!allVisibleQuestionsAnswered.value || shouldReturnToQuestionsForReview.value) &&
-          !washInProgress.value &&
-          currentStep.value > steps.QUESTIONS
-        ) {
+        if (!allVisibleQuestionsAnswered.value && !washInProgress.value && currentStep.value > steps.QUESTIONS) {
           currentStep.value = steps.QUESTIONS;
         }
       });
@@ -1513,7 +1646,7 @@ watch(
                       icon-left="arrow-left"
                       data-testid="self-serve-nav-previous"
                       :disabled="previous.disabled || currentStep === steps.COMPLETED || washInProgress"
-                      @click.prevent="previous.action"
+                      @click.prevent="onPreviousStep(previous)"
                     >
                       {{ $t("common.previous") }}
                     </b-button>
diff --git a/tests/unit/my-wash-start.spec.js b/tests/unit/my-wash-start.spec.js
index 16710447..3b72d38a 100644
--- a/tests/unit/my-wash-start.spec.js
+++ b/tests/unit/my-wash-start.spec.js
@@ -1280,4 +1280,61 @@ describe("MyWashStart", () => {
       "display: none"
     );
   });
+
+  it("clears restored in-progress state when active wash refresh says the lane is no longer in progress", async () => {
+    mocks.restoredProgressPayload = {
+      washInProgress: true,
+      washLaneId: 7,
+      washStartTime: Date.now() - 30_000,
+      licensePlateInput: "AB12345",
+      vehicleTypeSelect: 2,
+      radioWashType: "Manual",
+      radioLaneOption: 7,
+      customerNumberInput: 12345679,
+      isForcingNearestDepartment: false,
+      forceNearestDepartmentEvaluationId: 0,
+      answers: {},
+      completedTasks: {},
+      currentStep: 4,
+    };
+    mocks.sessionRequest.mockImplementation(async (path, method, payload) => {
+      if (path === "/modules/self-serve/lane/wash/in-progress" && method === "GET" && payload?.lane_id === 7) {
+        return {
+          data: {
+            data: {
+              lane_id: 7,
+              in_progress: false,
+              session: null,
+              customer: null,
+              vehicle: null,
+            },
+          },
+        };
+      }
+
+      return undefined;
+    });
+
+    const wrapper = mountWithApp(MyWashStart, {
+      global: {
+        stubs: stubComponents,
+      },
+    });
+
+    await flushPromises();
+    await nextTick();
+    await flushPromises();
+
+    expect(mocks.sessionRequest).toHaveBeenCalledWith("/modules/self-serve/lane/wash/in-progress", "GET", {
+      lane_id: 7,
+    });
+    expect(mocks.stopElapsedTimer).toHaveBeenCalled();
+    expect(mocks.clearProgress).toHaveBeenCalled();
+    expect(mocks.fetchWashSummary).not.toHaveBeenCalled();
+    expect(wrapper.get('[data-testid="self-serve-bottom-actions"]').attributes("style") || "").toContain(
+      "display: none"
+    );
+
+    wrapper.unmount();
+  });
 });