Road Top User Manual 1. Toggle Switch Setup 1.1 Choose the toggle switch setup by the size of your car’s screen Car Model 5.8 inch screen inch screen A-Class B-Class C-Class G-Class E-Class E-Coupe C-class W204 ML / GL 1 / 15...
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Road Top User Manual 1.2 Where to find the toggle switch? 2 / 15...
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Road Top User Manual 1.3 Choose the toggle switch setup by the size of your car’s screen. 1.4 Wrong toggle switch setup will cause black screen, flash screen, half-screen, dashboard alarm, etc. Please contact us for the correct toggle switch setup code if you meet problems as in the follow chart.
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Road Top User Manual Half-screen when switch to CarPlay function Half-screen when switch to CarPlay function Dashbaord alarm 1.5 After the power cable connection, when change the toggle switch setup, you need to restart the car engine and reconnect the CAN cable.
Road Top User Manual Step 3 : unplug and reconnect the CAN power cable Step 4 : power on the engine 2. Cables Connection 2.1 Cables accessories 3.2 Cable connection chart 5 / 15...
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Road Top User Manual After cable connection, by long press “C” button from the car’s center console knob control, you can switch the system between the original NTG system and the CarPlay system. 6 / 15...
Road Top User Manual 3.3 Power cable connection 1 ) Connect the new cable harness to the OEM original power cable and the head unit. 2 ) If your car has fiber optic cable, you need to move the original fiber optic cable from OEM power cable to the new power cable harness.
Road Top User Manual 3.4 LVDS cable connection 1 ) New LVDS 1 cable connect to “LVDS” port from the head unit. 2 ) New LVDS 2 cable connect to original OEM LVDS cable. 3 ) Wrong LVDS cables connections will cause black screen.
Road Top User Manual 3.5 WiFi antenna and USB-AV cable connection 9 / 15...
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Road Top User Manual Tip : The WiFi antenna cannot be placed close to metal objects. ( The WiFi signal will lost if WiFi antenna is close to the metal objects.) 3.6 AMI Audio cable connection 10 / 15...
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Road Top User Manual If your car has AMI port in the central console box, you need to connect the AMI cable to your car AMI port, so that the sound from the CarPlay function will work via the car ’ s AMI AUX function.
Road Top User Manual 3. CarPlay Decoder Sound Setup 3.1 Disconnect the Bluetooth between your phone and your car. 4.2 Connect the decoder AMI audio cable to your car AMI port If your car has AMI port in the central console box 4.3 Set AUX...
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Road Top User Manual 4.4 Enter decoder interface long press “C” button for 3 seconds from your car center console handwriting mouse to enter into the decoder menu. CarPlay Decoder main interface 13 / 15...
Road Top User Manual 4. Reverse Camera and Front Camera 5.1 Original camera setting Original OEM rear view camera function setting: click the “Setting” button from the decoder main menu, choose “Reverse”, then set the reverse camera into “Original”. the “Reverse line detect”, the “Reverse display track” and the “Reverse display radar” are set to “off”.
Road Top User Manual 5.3 Aftermarket front view camera cable connection 5.4 Setting for aftermarket reverse camera and front camera After finishing the aftermarket camera cables connection, you need to set the camera. Rear view camera setting: click the “Setting” button from the decoder main menu, choose “Reverse”, then set the reverse camera into “Aftermarket”.
Road Top User Manual “off”. Front view camera setting: click the “Setting” button from the decoder main menu, choose “Reverse”, then set the front view time between 1 to 15 seconds. 8 FAQ Questions 1: Problems on CarPlay sound. Solution : After finishing the “AUX”...
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Road Top User Manual Questions 4: steering wheel control buttons Solution: for the steering wheel control buttons, the CarPlay interface decoder box support voice control button, Tel button, voice “+” and “-“ buttons, the other buttons are not supported. 17 / 15...
Road Top User Manual Questions 5: Siri function activation Solution: two ways to active the Siri function Use voice control button from steering wheel control Long press confirm button from knob control 9 Contact Us Please contact us via purchase platform or the WhatsApp if you need any help.
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Road Top User Manual Tip: before contacting us, please help us to collect the following information. 1. the order ID 2. the car model 3. the year of the car 4. screen size of the car 5. the toggle switch setup 6.
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