diff --git a/src/cam.c b/src/cam.c
index 8e72eb2..17c05aa 100644
--- a/src/cam.c
+++ b/src/cam.c
@@ -145,20 +145,20 @@ static int mk_cam(facilities_t* facilities, uint8_t *cam_oer, uint32_t *cam_len)
 	    // bvc_hf_speed.speedConfidence = 1;
 
 	    // Steering Wheel Angle
-	    if(shared_message->w_angle_value != -1){
-	        bvc_hf->steeringWheelAngle = malloc(sizeof(SteeringWheelAngle_t));
+	    if(shared_message->w_angle_value != 1683){
+	        bvc_hf->steeringWheelAngle = calloc(1, sizeof(SteeringWheelAngle_t));
             	bvc_hf->steeringWheelAngle->steeringWheelAngleValue = shared_message->w_angle_value;
 		bvc_hf->steeringWheelAngle->steeringWheelAngleConfidence = 1;
 	    }
 	    // still missing temperature; where is de_temperature ?
 
-	    // Acceleration Control
-	    if(shared_message->b_pedal_value != -1 && shared_message->s_pedal_value != -1){
+	    // Acceleration Control (encondig failure)
+	    if(shared_message->b_pedal_value != 1683 && shared_message->s_pedal_value != 1683){
 	        if(shared_message->b_pedal_value)
 		    ac = ac | 0x01;
 	        if(shared_message->s_pedal_value)
 		    ac = ac | 0x02;
-	    	bvc_hf->accelerationControl = malloc(sizeof(AccelerationControl_t));
+	    	bvc_hf->accelerationControl = calloc(1, sizeof(AccelerationControl_t));
 	    	bvc_hf->accelerationControl->buf = malloc(sizeof(uint8_t));
 	    	memcpy(bvc_hf->accelerationControl->buf, &ac, 1);
 	    	bvc_hf->accelerationControl->size = 1;
@@ -248,9 +248,9 @@ static int mk_cam(facilities_t* facilities, uint8_t *cam_oer, uint32_t *cam_len)
 	        uint8_t el = 0x00;
 
 		// Exterior Lights
-		if(shared_message->lights_value != -1){
+		if(shared_message->lights_value != 1683){
                     if(shared_message->lights_value)
-                    	el = el | 0x01;
+                    	el = el | 0x80;
              	    bvc_lf->exteriorLights.buf = malloc(sizeof(uint8_t));
              	    memcpy(bvc_lf->exteriorLights.buf, &el, 1);
              	    bvc_lf->exteriorLights.size = 1;
@@ -379,6 +379,7 @@ lightship_t* lightship_init() {
         lightship->use_obd = 0;
     }
     else{
+	syslog_debug("[facilities] obd shmem found\n");
         lightship->use_obd = 1;
         close(shm_fd);
     }