diff --git a/cereal/custom.capnp b/cereal/custom.capnp
index 93e0df312..54e797141 100644
--- a/cereal/custom.capnp
+++ b/cereal/custom.capnp
@@ -26,7 +26,32 @@ enum LaneChangeAssistMode {
   auto @3;
 }
 
-struct CustomReserved2 @0xf35cc4560bbf6ec2 {
+struct TeToo @0xf35cc4560bbf6ec2 {
+  lat @0 :Float32;
+  lon @1 :Float32;
+  bearing @2 :Float32;
+  name @3 :Text;
+  maxspeed @4 :Float32;
+  tags @5 :Text;
+
+  updatingData @6 :Bool;
+  nearestFeatures @7 :List(Feature);
+
+  struct Feature {
+    id @0 :Text;
+    type @1 :FeatureType;
+    lat @2 :Float32;
+    lon @3 :Float32;
+    bearing @4 :Float32;
+    distance @5 :Float32;
+    tags @6 :Text;
+  }
+
+  enum FeatureType {
+    trafficSignal @0;
+    speedCamera @1;
+  }
+
 }
 
 struct CustomReserved3 @0xda96579883444c35 {
diff --git a/cereal/log.capnp b/cereal/log.capnp
index b53324f3f..ee047f00e 100644
--- a/cereal/log.capnp
+++ b/cereal/log.capnp
@@ -2351,7 +2351,7 @@ struct Event {
     # *********** Custom: reserved for forks ***********
     controlsStateExt @107 :Custom.ControlsStateExt;
     longitudinalPlanExt @108 :Custom.LongitudinalPlanExt;
-    customReserved2 @109 :Custom.CustomReserved2;
+    teToo @109 :Custom.TeToo;
     customReserved3 @110 :Custom.CustomReserved3;
     customReserved4 @111 :Custom.CustomReserved4;
     customReserved5 @112 :Custom.CustomReserved5;
diff --git a/cereal/services.py b/cereal/services.py
index 261d838aa..d2b613195 100755
--- a/cereal/services.py
+++ b/cereal/services.py
@@ -91,6 +91,7 @@ _services: dict[str, tuple] = {
   # dp
   "controlsStateExt": (False, 100., 10),
   "longitudinalPlanExt": (False, 20., 5),
+  "teToo": (False, 5),
 }
 SERVICE_LIST = {name: Service(*vals) for
                 idx, (name, vals) in enumerate(_services.items())}