VLite VT2 FAQ

Check our most commonly asked questions below. Check the troubleshooting section for some common tips and solutions.

Fitment

Please check our compatibility guide for your car make, model, and year fitment and limitations. Or use the "Find what fits your car" search widget on the gromaudio.com home page to see the products compatible with your specific stereo.

No, the VLite VT2 integrates directly with your existing factory navigation stereo or touchscreen.

Most of the time, you can preserve all original functions. Your steering wheels and car stereo controls, climate controls, FM radio, and backup camera will keep working. CD changer, AUX, or USB might have to be disconnected in select vehicles. Please refer to the particular VLite model for clarification.

VLite is fully integrated into your car stereo system so all speakers will work. You will get high-quality digital sound.

Functionality

VLite VT2 is an infotainment system that works as an add-on to your existing factory stereo. VLite offers smartphone integration to the factory car stereo, using wireless and wired CarPlay and Android Auto.

Yes, VLite has to be paired to Android or Apple smartphone to provide the maps and media playback.

You can use your vehicle touchscreen (when available), car stereo, and steering wheel controls to operate VLite VT2 and CarPlay or Android Auto. Some models might have limitations; please refer to the specific model description for applicable limitations and additional details.

It is possible on some stereos. You can also use the FM radio app on CarPlay or Android Auto or the Web Radio plugin on the VLite VT2 user interface to listen to the FM or AM radio.

You need to use the Factory UI shortcut to get back to the factory user interface mode for VLite VT2 and adjust the sound settings. See the how-to video:

CarPlay How-To and Troubleshooting

  1. Select the grayed-out CarPlay® icon on the VLite VT2 home screen; your phone will be listed below “Wireless CarPlay Devices.”
  2. Tap or select your phone in the list of Wireless CarPlay Devices; the VLite VT2 will start to connect to your iPhone®.
  3. In a few seconds, you will see the “Tap to Pair” pop-up on the VLite VT2 screen. Check “Allow iPhone to access your contacts and call history.”
  4. The iPhone will also receive two pop-up notifications- request to pair to VLite VT2 and then “Use CarPlay with VLite2?” Make sure to hit pair for the first pop-up and “use for CarPlay” for the second. Important: make sure to put the check mark next to all asked permissions.
  5. The message on the VLite VT2 screen under your iPhone’s name will change to “Connecting...”. In a few seconds, the status will change to “Connected.”
  6. The CarPlay UI (user interface) will automatically show on the car stereo screen. If it does not appear automatically, tap on the “Show UI” button in the upper right corner of the “CarPlay Settings” screen on VLite VT2.

You will need to use the USB cable for wired CarPlay. For wired CarPlay plug the USB cable into the USB1 port of the VLite. Use genuine Apple® USB to iPhone® cables for the best connectivity. Any cable over 6FT long can cause issues. Worn-out cable or dirty connector can cause the issues.If the VLite VT2 does not see the CarPlay connected via USB, try the following:
  • plug the cable directly to the USB1 port of the VLite VT2 without using the USB extension cable;
  • use different iPhone cable. Make sure to use genuine high quality iPhone to USB cable.
  • Sometimes, such as after the iOS firmware update, or in general, the wireless CarPlay does not want to connect, or you have troubles using wireless CarPlay. You can reset the CarPlay connection. See the video that explains how to:

    Android Auto How-To and Troubleshooting

    1. Turn on the Bluetooth on your VLite VT2. Go to Support --> Bluetooth.
    2. Turn on the Bluetooth in the Android smartphone settings;
    3. Select the grayed-out Android Auto® icon on the VLite VT2 home screen; your phone will be listed below “Wireless Android Auto Devices.”
    4. Tap or select your phone in the list of Wireless Android Auto Devices; the VLite VT2 will start to connect to your smartphone.
    5. In a few seconds, you will see the “Tap to Pair” pop-up on the VLite VT2 screen. Check “Allow to access your contacts and call history.”
    6. The Android phone will also receive the pop-up notification- request to pair to VLite VT2. Make sure to hit pair for the pop-up and to put the check mark next to all asked permissions.
    7. The message on the VLite VT2 screen under your phones name will change to “Connecting...”. In a few seconds, the status will change to “Connected.”
    8. The Android Auto UI (user interface) will automatically show on the car stereo screen. If it does not appear automatically, tap on the “Show UI” button in the upper right corner of the “Android Auto Settings” screen on VLite VT2.

    You will need to use the USB cable for wired Android Auto. Plug the USB cable to any USB port of the VLite VT2. Use high-quality USB cables for the best connectivity. The maximum recommended length of the USB cable is 3FT. Wait for a few seconds to allow the Android Auto to connect. If the VLite VT2 does not see the Android Auto connected via USB, try the following:
  • use the other USB port of VLite VT2;
  • plug the cable directly to the USB port of the VLite VT2 without using the USB extension cable;
  • use different Android cable.
  • Sometimes, such as after the OS update, or in general, the wireless Android Auto does not want to connect, or you have troubles using wireless Android Auto. You can reset the wireless Android Auto connection. See the video that explains how to:

    Internet Connectivity

    No, you will need an internet connection only if you want to update the VLite or perform troubleshooting in some cases.

    Bluetooth

    Yes you can pair your phone to VLite for wireless music streaming.

    Yes you will see track information, and sometimes cover art when you pair your phone to VLite for wireless music streaming.

    No you will use your car hands free system for hands free phone calls. Hands free phone calls via VLite are not available yet.

    iPhone users:
    1. Forget this device for both the car and the GROM VLite if previously paired.
    2. Then connect to the car factory Bluetooth hands free function.
    3. And then connect to the GROM unit for Music streaming.
    iPhones do not have the ability to manually select what function of a device you want to pair to it will automatically pair to all Bluetooth functions that are available on a device, for this reason you will need to pair to the vehicles Bluetooth first then the iPhone will only pair to a GROM units music streaming (A2DP) function as it knows that the hands free(HFP) function is already being utilized by another device.
    Android users:For Android phone all you need to do is to go to the Bluetooth setting, and choose "Media Audio" only for GROM-CAR connection, and "Phone Audio" for your factory connection.

    Firmware update

    Two types of firmware update are available for VLite:
    1. Base System Update that is performed via your computer and USB stick / Flash Drive. This update provides you with startup improvements, reverse camera improvements, audio thump upon startup fixes.
    Please make sure to download the correct firmware for your model of VLite, rename file to gromvl1.hex, and carefully follow to the other firmware update instructions, posted on the above mentioned webpage.

    2. OTA (Over The Air) System Update
    This update will appear on your VLite once it is connected to the internet. The OTA firmware update procedure is available in your manual: VLite_gen5_install_manual.pdf

    If available, the OTA (Over The Air) update will appear on your VLite once it is connected to the internet. To check if there is an update available, go to "Settings->About Device"
  • Select "VLite System Updates"
  • Then select "Check for Updates"
  • If there is update available it will appear on screen for downloading.
  • Wait for update to download and apply. VLite will restart during the process (it might take up to ten minutes).
  • If System does not boot up within 15 minutes, please turn off the ignition and wait for one minute, then turn ignition on again.
  • The easiest way to stay updated with VLine firmware is by checking Support icon. It will show red dot when releases are available. Note that you need to be connected to intenet for the VLine to be able to check the updates on the server.

    Troubleshooting Tips - LEX5VLS

    The REV wire was not connected or incorrectly connected using P-Taps. If the REV wire is not properly connected, or not connected at all - the system will not work. The REV wire should be connected as explained in the LEX5LS REV wire addendum manual
    Here is the video that shows how the REV wire needs to be connected:Here are the posi-tap connections explained:

    Troubleshooting Tips - GM1 GM1C GM1S

    Ensure you connected the GVMF video cable to the back of the display, and not to the back of the stereo. There are two identical blue-colored ports available at the back of the stereo and at the back of the display. Ensure you connected the GVMF video cable at the back of the display - the top connector.

    Troubleshooting

    It is normal behavior of the factory stereos of Lexus and Toyota vehicles compatible with VLite models LEX5 LEX4 LEX3 LEX3L LEXGS LEXGX -select Lexus 2002-2008 vehicles. Once you use the REVERSE gear on your vehicle, and then go back to DRIVE, the stereo will show factory NAVIGATION screen and not VLite screen. It is normal standard behavior, and it is how the factory stereo works.

    There is single green wire on the MCFNIS8 cable that is used to enable steering wheel controls. It is called SWC wire. If you decided to connect it, please make sure that you properly connect it to the correct location of the steering wheel control wire on the stereo main harness. Refer to the NIS8 installation manual for the instructions

    Checkinstall video for more information: