diff --git a/cmd/rc-steering/rc-steering.go b/cmd/rc-steering/rc-steering.go
index 97d0e4b..c6b44a8 100644
--- a/cmd/rc-steering/rc-steering.go
+++ b/cmd/rc-steering/rc-steering.go
@@ -81,7 +81,7 @@ func main() {
 		client,
 		steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic,
 		steering.WithCorrector(
-			steering.NewCorrector(
+			steering.NewGridCorrector(
 				steering.WidthDeltaMiddle(deltaMiddle),
 				steering.WithGridMap(gridMapConfig),
 				steering.WithObjectMoveFactors(objectsMoveFactorsConfig),
diff --git a/pkg/steering/controller.go b/pkg/steering/controller.go
index 2bfe15e..6cec875 100644
--- a/pkg/steering/controller.go
+++ b/pkg/steering/controller.go
@@ -37,7 +37,7 @@ var (
 
 type Option func(c *Controller)
 
-func WithCorrector(c *Corrector) Option {
+func WithCorrector(c Corrector) Option {
 	return func(ctrl *Controller) {
 		ctrl.corrector = c
 	}
@@ -59,7 +59,7 @@ func NewController(client mqtt.Client, steeringTopic, driveModeTopic, rcSteering
 		tfSteeringTopic: tfSteeringTopic,
 		objectsTopic:    objectsTopic,
 		driveMode:       events.DriveMode_USER,
-		corrector:       NewCorrector(),
+		corrector:       NewGridCorrector(),
 	}
 	for _, o := range options {
 		o(c)
@@ -80,7 +80,7 @@ type Controller struct {
 	muObjects sync.RWMutex
 	objects   []*events.Object
 
-	corrector              *Corrector
+	corrector              Corrector
 	enableCorrection       bool
 	enableCorrectionOnUser bool
 }
diff --git a/pkg/steering/controller_test.go b/pkg/steering/controller_test.go
index a7c4aec..b2559c0 100644
--- a/pkg/steering/controller_test.go
+++ b/pkg/steering/controller_test.go
@@ -123,3 +123,123 @@ func TestDefaultSteering(t *testing.T) {
 		}
 	}
 }
+
+type StaticCorrector struct {
+	delta float64
+}
+
+func (s *StaticCorrector) AdjustFromObjectPosition(currentSteering float64, objects []*events.Object) float64 {
+	return s.delta
+}
+
+func TestController_Start(t *testing.T) {
+	oldRegister := registerCallbacks
+	oldPublish := publish
+	defer func() {
+		registerCallbacks = oldRegister
+		publish = oldPublish
+	}()
+	registerCallbacks = func(p *Controller) error {
+		return nil
+	}
+
+	waitPublish := sync.WaitGroup{}
+	var muEventsPublished sync.Mutex
+	eventsPublished := make(map[string][]byte)
+	publish = func(client mqtt.Client, topic string, payload *[]byte) {
+		muEventsPublished.Lock()
+		defer muEventsPublished.Unlock()
+		eventsPublished[topic] = *payload
+		waitPublish.Done()
+	}
+
+	steeringTopic := "topic/steering"
+	driveModeTopic := "topic/driveMode"
+	rcSteeringTopic := "topic/rcSteering"
+	tfSteeringTopic := "topic/tfSteering"
+	objectsTopic := "topic/objects"
+
+	type fields struct {
+		client                 mqtt.Client
+		steeringTopic          string
+		muDriveMode            sync.RWMutex
+		driveMode              events.DriveMode
+		cancel                 chan interface{}
+		driveModeTopic         string
+		rcSteeringTopic        string
+		tfSteeringTopic        string
+		objectsTopic           string
+		muObjects              sync.RWMutex
+		objects                []*events.Object
+		corrector              *GridCorrector
+		enableCorrection       bool
+		enableCorrectionOnUser bool
+	}
+	type msgEvents struct {
+		driveMode        events.DriveModeMessage
+		rcSteering       events.SteeringMessage
+		tfSteering       events.SteeringMessage
+		expectedSteering events.SteeringMessage
+		objects          events.ObjectsMessage
+	}
+
+	tests := []struct {
+		name               string
+		fields             fields
+		msgEvents          msgEvents
+		correctionOnObject float64
+		want               events.SteeringMessage
+		wantErr            bool
+	}{
+		{
+			name: "On user drive mode, none correction",
+
+			fields: fields{
+				driveMode: events.DriveMode_USER,
+			},
+			msgEvents: msgEvents{
+				driveMode:  events.DriveModeMessage{DriveMode: events.DriveMode_USER},
+				rcSteering: events.SteeringMessage{Steering: 0.3, Confidence: 1.0},
+				tfSteering: events.SteeringMessage{Steering: 0.4, Confidence: 1.0},
+				objects:    events.ObjectsMessage{Objects: []*events.Object{&objectOnMiddleNear}},
+			},
+			correctionOnObject: 0.5,
+			// Get rc value without correction
+			want: events.SteeringMessage{Steering: 0.3, Confidence: 1.0},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := NewController(nil,
+				steeringTopic, driveModeTopic, rcSteeringTopic, tfSteeringTopic, objectsTopic,
+				WithObjectsCorrectionEnabled(tt.fields.enableCorrection, tt.fields.enableCorrectionOnUser),
+				WithCorrector(&StaticCorrector{delta: tt.correctionOnObject}),
+			)
+			go c.Start()
+			defer c.Stop()
+
+			// Publish events and wait generation of new steering message
+			waitPublish.Add(1)
+			c.onDriveMode(nil, testtools.NewFakeMessageFromProtobuf(driveModeTopic, &tt.msgEvents.driveMode))
+			c.onRCSteering(nil, testtools.NewFakeMessageFromProtobuf(rcSteeringTopic, &tt.msgEvents.rcSteering))
+			c.onTFSteering(nil, testtools.NewFakeMessageFromProtobuf(tfSteeringTopic, &tt.msgEvents.tfSteering))
+			c.onObjects(nil, testtools.NewFakeMessageFromProtobuf(objectsTopic, &tt.msgEvents.objects))
+			waitPublish.Wait()
+
+			var msg events.SteeringMessage
+			muEventsPublished.Lock()
+			err := proto.Unmarshal(eventsPublished[steeringTopic], &msg)
+			if err != nil {
+				t.Errorf("unable to unmarshall response: %v", err)
+				t.Fail()
+			}
+			muEventsPublished.Unlock()
+
+			if msg.GetSteering() != tt.want.GetSteering() {
+				t.Errorf("bad msg value for mode %v: %v, wants %v", c.driveMode.String(), msg.GetSteering(), tt.want.GetSteering())
+			}
+
+		})
+	}
+}
diff --git a/pkg/steering/corrector.go b/pkg/steering/corrector.go
index 36aff05..3eff2bf 100644
--- a/pkg/steering/corrector.go
+++ b/pkg/steering/corrector.go
@@ -8,7 +8,10 @@ import (
 	"os"
 )
 
-type OptionCorrector func(c *Corrector)
+type Corrector interface {
+	AdjustFromObjectPosition(currentSteering float64, objects []*events.Object) float64
+}
+type OptionCorrector func(c *GridCorrector)
 
 func WithGridMap(configPath string) OptionCorrector {
 	var gm *GridMap
@@ -22,7 +25,7 @@ func WithGridMap(configPath string) OptionCorrector {
 			zap.S().Panicf("unable to load grid-map config from file '%v': %w", configPath, err)
 		}
 	}
-	return func(c *Corrector) {
+	return func(c *GridCorrector) {
 		c.gridMap = gm
 	}
 }
@@ -39,7 +42,7 @@ func WithObjectMoveFactors(configPath string) OptionCorrector {
 			zap.S().Panicf("unable to load objects move factors config from file '%v': %w", configPath, err)
 		}
 	}
-	return func(c *Corrector) {
+	return func(c *GridCorrector) {
 		c.objectMoveFactors = omf
 	}
 }
@@ -58,20 +61,20 @@ func loadConfig(configPath string) (*GridMap, error) {
 }
 
 func WithImageSize(width, height int) OptionCorrector {
-	return func(c *Corrector) {
+	return func(c *GridCorrector) {
 		c.imgWidth = width
 		c.imgHeight = height
 	}
 }
 
 func WidthDeltaMiddle(d float64) OptionCorrector {
-	return func(c *Corrector) {
+	return func(c *GridCorrector) {
 		c.deltaMiddle = d
 	}
 
 }
-func NewCorrector(options ...OptionCorrector) *Corrector {
-	c := &Corrector{
+func NewGridCorrector(options ...OptionCorrector) *GridCorrector {
+	c := &GridCorrector{
 		gridMap:           &defaultGridMap,
 		objectMoveFactors: &defaultObjectFactors,
 		deltaMiddle:       0.1,
@@ -84,7 +87,7 @@ func NewCorrector(options ...OptionCorrector) *Corrector {
 	return c
 }
 
-type Corrector struct {
+type GridCorrector struct {
 	gridMap             *GridMap
 	objectMoveFactors   *GridMap
 	deltaMiddle         float64
@@ -127,7 +130,7 @@ AdjustFromObjectPosition modify steering value according object positions
     40% |-----|-----|-----|-----|-----|-----|
     :   | ... | ... | ... | ... | ... | ... |
 */
-func (c *Corrector) AdjustFromObjectPosition(currentSteering float64, objects []*events.Object) float64 {
+func (c *GridCorrector) AdjustFromObjectPosition(currentSteering float64, objects []*events.Object) float64 {
 	if len(objects) == 0 {
 		return currentSteering
 	}
@@ -170,7 +173,7 @@ func (c *Corrector) AdjustFromObjectPosition(currentSteering float64, objects []
 	}
 }
 
-func (c *Corrector) computeDeviation(nearest *events.Object) float64 {
+func (c *GridCorrector) computeDeviation(nearest *events.Object) float64 {
 	var delta float64
 	var err error
 
@@ -189,7 +192,7 @@ func (c *Corrector) computeDeviation(nearest *events.Object) float64 {
 	return delta
 }
 
-func (c *Corrector) nearObject(objects []*events.Object) (*events.Object, error) {
+func (c *GridCorrector) nearObject(objects []*events.Object) (*events.Object, error) {
 	if len(objects) == 0 {
 		return nil, fmt.Errorf("list objects must contain at least one object")
 	}
diff --git a/pkg/steering/corrector_test.go b/pkg/steering/corrector_test.go
index f571a8b..a3cb522 100644
--- a/pkg/steering/corrector_test.go
+++ b/pkg/steering/corrector_test.go
@@ -159,7 +159,7 @@ func TestCorrector_AdjustFromObjectPosition(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			c := NewCorrector()
+			c := NewGridCorrector()
 			if got := c.AdjustFromObjectPosition(tt.args.currentSteering, tt.args.objects); got != tt.want {
 				t.Errorf("AdjustFromObjectPosition() = %v, want %v", got, tt.want)
 			}
@@ -204,7 +204,7 @@ func TestCorrector_nearObject(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			c := &Corrector{}
+			c := &GridCorrector{}
 			got, err := c.nearObject(tt.args.objects)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("nearObject() error = %v, wantErr %v", err, tt.wantErr)
@@ -436,7 +436,7 @@ func TestWithGridMap(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			c := Corrector{}
+			c := GridCorrector{}
 			got := WithGridMap(tt.args.config)
 			got(&c)
 			if !reflect.DeepEqual(*c.gridMap, tt.want) {
@@ -468,7 +468,7 @@ func TestWithObjectMoveFactors(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			c := Corrector{}
+			c := GridCorrector{}
 			got := WithObjectMoveFactors(tt.args.config)
 			got(&c)
 			if !reflect.DeepEqual(*c.objectMoveFactors, tt.want) {