diff --git a/src/client/ChassisController.luau b/src/client/ChassisController.luau
index abd3a5d..2b6a5ae 100644
--- a/src/client/ChassisController.luau
+++ b/src/client/ChassisController.luau
@@ -29,6 +29,11 @@ local ChassisController = {}
 
 local heartbeatConn: RBXScriptConnection? = nil
 local seatedConn: RBXScriptConnection? = nil
+-- The seat the live heartbeatConn is bound to. On respawn the old car is
+-- destroyed and a new one spawned; the connection stays alive but drives the
+-- DESTROYED car's motors. Tracking the seat lets the watchdog notice that the
+-- loop is stale and re-arm against the new car.
+local drivingSeat: VehicleSeat? = nil
 
 local function findCarModel(seat: VehicleSeat): Model?
 	local model = seat:FindFirstAncestorOfClass("Model")
@@ -70,6 +75,7 @@ local function startDriving(seat: VehicleSeat)
 		return
 	end
 
+	drivingSeat = seat
 	heartbeatConn = RunService.Heartbeat:Connect(function()
 		local throttle = seat.ThrottleFloat
 		local steer = seat.SteerFloat
@@ -106,6 +112,7 @@ local function stopDriving()
 		heartbeatConn:Disconnect()
 		heartbeatConn = nil
 	end
+	drivingSeat = nil
 end
 
 function ChassisController.init()
@@ -141,7 +148,15 @@ function ChassisController.init()
 				local seated = seatPart
 					and seatPart:IsA("VehicleSeat")
 					and seatPart.Name == Chassis.SEAT_NAME
-				if seated and not heartbeatConn then
+				-- A live connection bound to a different seat (or to a car that
+				-- has since been destroyed) is STALE: it keeps driving the old
+				-- car's motors, so heartbeatConn stays non-nil and the new car
+				-- never gets armed. Re-arm whenever the bound seat isn't the
+				-- one we're actually sitting in, or its car left the world.
+				local stale = heartbeatConn ~= nil
+					and (drivingSeat ~= seatPart or not seatPart:IsDescendantOf(workspace))
+				if seated and (not heartbeatConn or stale) then
+					stopDriving()
 					startDriving(seatPart :: VehicleSeat)
 				elseif not seated and heartbeatConn then
 					stopDriving()