diff --git a/RELEASES.md b/RELEASES.md
index a3a95ae6a8643f..5289d1a0c0ae59 100644
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -1,3 +1,9 @@
+Version 0.11.2 (2026-05-26)
+========================
+* Tinkla Buddy IC support: lane / target-speed / road-sign / lead-car
+  overlay on stock Tesla MS cluster (requires Buddy R2S hardware via
+  EtherCAN bridge on Tesla OBD port)
+
 Version 0.11.1 (2026-04-08)
 ========================
 * New driver monitoring model
diff --git a/common/params_keys.h b/common/params_keys.h
index 12b89d87e93f85..e52775168301bc 100644
--- a/common/params_keys.h
+++ b/common/params_keys.h
@@ -147,7 +147,9 @@ inline static std::unordered_map<std::string, ParamKeyAttributes> keys = {
     {"NAPRadarBehindNosecone", {PERSISTENT, BOOL}},
     {"NAPRadarEnabled", {PERSISTENT, BOOL}},
     {"NAPRadarOffset", {PERSISTENT, FLOAT, "0.0"}},
+    {"NAPRoadSignFallbackKph", {PERSISTENT, INT, "0"}},
     {"NAPScriptRunning", {CLEAR_ON_MANAGER_START, BOOL}},
+    {"NAPTinklaICIntegration", {PERSISTENT, BOOL, "1"}},
     {"TermsVersion", {PERSISTENT, STRING}},
     {"TrainingVersion", {PERSISTENT, STRING}},
 };
diff --git a/opendbc_repo b/opendbc_repo
index affde530c0c1dc..90819d48010285 160000
--- a/opendbc_repo
+++ b/opendbc_repo
@@ -1 +1 @@
-Subproject commit affde530c0c1dcd5eb845f9d31a43fbee7acba53
+Subproject commit 90819d48010285d605427325cb868f199638d4b9
diff --git a/selfdrive/ui/layouts/settings/nap.py b/selfdrive/ui/layouts/settings/nap.py
index 989d7ae2d1cfe4..c21ef7ceccf88e 100644
--- a/selfdrive/ui/layouts/settings/nap.py
+++ b/selfdrive/ui/layouts/settings/nap.py
@@ -227,7 +227,18 @@ def _build_items(self):
     self._brake_factor_buttons.action_item.set_enabled(False)
     self._all_items.append(self._brake_factor_buttons)
 
-    # ── Section 5: Advanced ──
+    # ── Section 5: Tinkla Buddy IC ──
+    self._all_items.append(section_header_item("Tinkla Buddy IC"))
+
+    self._add_toggle(
+      NAPParamKeys.TINKLA_IC_INTEGRATION,
+      "Tinkla Buddy IC Integration",
+      "Render openpilot path, lanes and lead-car on the Tesla Instrument Cluster "
+      "via Tinkla Buddy. Only enable if you have a Tinkla Buddy installed with a "
+      "valid license. Display-only, has no effect on engage or safety.",
+    )
+
+    # ── Section 6: Advanced ──
     self._all_items.append(section_header_item("Advanced"))
 
     # Force Pre-AP is always on for now — grayed out in the ON position
@@ -239,7 +250,7 @@ def _build_items(self):
       enabled=False,
     )
 
-    # ── Section 6: Actions ──
+    # ── Section 7: Actions ──
     self._all_items.append(section_header_item("Actions"))
 
     self._backup_epas_btn = button_item(
diff --git a/selfdrive/ui/mici/layouts/settings/nap.py b/selfdrive/ui/mici/layouts/settings/nap.py
index c6ba0a213291dd..be8bc016edfae2 100644
--- a/selfdrive/ui/mici/layouts/settings/nap.py
+++ b/selfdrive/ui/mici/layouts/settings/nap.py
@@ -134,6 +134,10 @@ def __init__(self):
     ibooster_enabled = BigParamControl("ibooster enabled", NAPParamKeys.IBOOSTER_ENABLED)
     ibooster_enabled.set_enabled(False)
 
+    # ── Tinkla Buddy IC ──────────────────────────────
+    tinkla_ic_integration = BigParamControl(
+      "tinkla buddy ic integration", NAPParamKeys.TINKLA_IC_INTEGRATION)
+
     # ── Advanced (locked on) ─────────────────────────
     force_pre_ap = BigParamControl("force pre-ap mode", NAPParamKeys.FORCE_PRE_AP)
     force_pre_ap.set_enabled(False)
@@ -174,6 +178,7 @@ def __init__(self):
       calibrate_radar_btn,
       test_radar_btn,
       ibooster_enabled,
+      tinkla_ic_integration,
       force_pre_ap,
       backup_epas_btn,
       flash_epas_btn,