Smart Voice Broadcast RemindeGPS System With Turn-By-Turn Voice Navigation, Comprehensive Voice Prompts, Prompt Real-Time Safety Navigation Direction Of Progress; Intelligent Error Correction, If The Route Is Wrong, The System Will Automatically Generate New Routes To Make Your Faster And More Secure , More Accurately Reach Their Destination.GPS Navigation Helps You Avoid DangerCar GPS Navigation System has a Voice Steering System Receiving Upcoming Sharp Turn Alerts, Speed Limit Reminders and Height Limit Reminders, Red Light, and High-Speed Camera Voice Notification. And Customized truck routing for the size and weight of your truck, avoiding the roads which have width restrictions or height restriction or weight restriction