Why can t I make a sound after the Bluetooth of the mobile phone is successfully connected to the ca

1. If the volume on the car navigation system or mobile phone is not turned on, it can be turned on.

3. If you don't have the car Bluetooth turned on, you need to set it to turn it on.

4. The ** audio on the mobile phone is not turned off, resulting in signal interference from the Bluetooth function.

Extended information: The Bluetooth technology in the car Bluetooth (English Bluetooth) system is a continuation of the Bluetooth technology of the mobile phone and has the same transmitting system. In-vehicle Bluetooth is just a wireless hands-free system in the car designed and developed based on wireless Bluetooth technology.

The main function is to use Bluetooth technology to connect with the mobile phone for hands-free calls during normal driving, which has achieved the purpose of freeing hands and reducing the hidden danger of traffic accidents.

The function of the car Bluetooth is to automatically identify the mobile **, and it can be connected to the mobile phone without cables or brackets; The owner can control the mobile phone without touching the mobile phone, or even keep his hands on the steering wheel, and use voice commands to control the answer or dial**. Users can make calls through the car's stereo.

Such a situation may be caused by incorrect connection, you can turn off and reboot to connect, Bluetooth connection to the car speaker steps: first.

If it is an Android phone, it may be that the ** volume of the phone is not turned on. Press the volume button of the mobile phone when you are in ****, adjust the volume of the mobile phone, adjust the volume to the maximum, and then adjust the volume on the car. You can also try ignoring the currently connected device and reconnecting it.

There is no multi-**** of car Bluetooth: It is recommended that users find the multi-** option on the screen and select Bluetooth in it. If there is no problem with the above, it is because after some of the car Bluetooth is connected, if the car is not in the Bluetooth **audio** interface, it will still **last** audio source, resulting in the phenomenon of **** silent.

The call volume of the mobile phone is not turned on, the solution is: try to dial a ** number, in the dialing or call state, press the volume up button on the side of the fuselage, and the sound can be turned up.

On-board guidesAviationThe volume of the instrument all-in-one machine is not turned on, just turn it on.

The car Bluetooth and the mobile phone are not paired and connected at all.

How to connect the car Bluetooth and the mobile phone:

Turn on the Bluetooth function of the mobile phone and the Bluetooth device in the car, and set the Bluetooth settings of the mobile phone to "Visible to everyone".

Hope it helps, hope.

1. If the volume on the car navigation system or mobile phone is not turned on, it can be turned on. 2. The programming of some mobile phones (such as iPhone) is not connected with the docking code of some models, so it can only be answered**can not be heard**, and the Bluetooth ** frequency band needs to be replaced. 3. If you don't have the car Bluetooth turned on, you need to set it to turn it on.

4. The ** audio on the mobile phone is not turned off, resulting in signal interference from the Bluetooth function.

It could be that the phone's ** volume is not turned on. Press the volume button of the mobile phone when you are ****, stare at the circle to adjust the volume of the mobile phone, adjust the volume to the maximum, and then adjust the volume on the car. The specific connection method is as follows:

1 First of all, turn on the car's Bluetooth rear crypto, tap to open the settings in your phone.

2 Then, once you are in the settings interface, click on "Bluetooth".

3 Turn on Bluetooth, find the Bluetooth name of your car, click to pair, then click the arrow behind the Bluetooth name when pairing is complete, and turn on the slider behind Audio.

The Bluetooth of the mobile phone and the Bluetooth of the socks car are connected, and there is no sound when you roll: open the settings in the mobile phone, enter the Bluetooth settings page of the big car, and click the open audio button.

Hello, it is recommended that you disconnect the Bluetooth first, and then reconnect, maybe the hand is trapped and the machine is connected, but the actual connection is not successful, such as Wang Ting's fruit still does not work after retrying, there will be two situations, one is that your car Bluetooth has a problem and needs to be repaired, and the second is that your mobile phone Bluetooth has a problem and needs to be checked.

This can only explain the audio on the phone and car stereo. Adjust the band. is inconsistent.

Generally amused by the current car. The speaker is supported above. Conversation function on the phone.

It's just that you don't reach all of them in terms of adjustments. Ask for the bridge to lose. Please adjust it according to the manual.

Not only to connect Bluetooth. At the same time, it is necessary to put it Stereo in the car.

Adjust to. Connect your phone to a stall. In this way, sensitive finger tremor can be achieved.

It may be that your volume is not turned on, and you need to turn up the volume of your mobile phone a little more, and you need to turn on the Bluetooth volume.

The Bluetooth of the mobile phone and the Bluetooth of the car are connected, but there is no sound, which means that one of the sounds is muted, and the best thing to do is to connect again.

First of all, the Bluetooth of the mobile phone and the Bluetooth of the car are connected, it has no sound, and the Bluetooth of the mobile phone and the Bluetooth of the car are not successfully paired, and they must first search for each other to be able to use the cavity book after the successful pairing.

Bluetooth and car Bluetooth are connected, but there is no sound to amplify the volume buttons, try to turn the volume keys to the maximum.

The call volume of the mobile phone is not turned on, and the solution is to press the upper button on the side of the fuselage, and turn up the sound to regret the hole.

2. The volume of the car navigation all-in-one machine is not turned on, and it can be turned on.

3. The on-board Bluetooth and the mobile phone are not paired and connected at all, and the pairing relationship between the mobile phone and the on-board Bluetooth device is re-established.

1.It may be that the sound is not turned on, it is recommended to increase the volume to try.

2.It may be that the spectrum is inconsistent and there is a problem with compatibility.

You can go to the flashing machine to see the good team, and the general system problems can be solved by Duan Tong. If the mobile phone is faulty, it is really not possible to burn it or take it to the mobile phone after-sales maintenance department to check it.

Turn up the volume of your car and your phone a little more.

You can try the Bluetooth connection method, and the general details of the steps are:

1. First of all, the mobile phone and the on-board Bluetooth device should establish a pairing relationship. Turn on the Bluetooth function of the mobile phone and the Bluetooth device in the car, and set the Bluetooth settings of the mobile phone to "Visible to everyone".

4. Find the audio item, find the Bluetooth audio, and then press it to see the Bluetooth audio device list, at this time, you will see MB Bluetooth when you search for it with your mobile phone.

Extended information: In-vehicle Bluetooth is only a wireless hands-free system designed and developed based on wireless Bluetooth technology, and its main function is to connect with the mobile phone with Bluetooth technology for hands-free calls during normal driving, so as to achieve the purpose of freeing hands and reducing the hidden danger of traffic accidents.

Autumn is high and refreshing, the mountains are red all over, in this fruitful golden autumn, I wish you wealth like autumn rain, love like autumn water, troubles drifting away with the autumn wind, career is as mature as autumn fruits, and the mood is as clear as the autumn moon.

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Autumn is high and refreshing, the mountains are red all over, in this fruitful golden autumn, I wish you wealth like autumn rain, love like autumn water, troubles drifting away with the autumn wind, career is as mature as autumn fruits, and the mood is as clear as the autumn moon.

Hello, dear Q&A users, hello, I am your Q&A exclusive answer teacher, your question has been received, and the answer is being sorted out for you urgently, please don't worry, typing is slow, I will reply to you in about 2 minutes, please wait a while!

Reasons and solutions for no sound on the car Bluetooth connection: 1. The volume on the car navigation system or mobile phone is not turned on; Solution: Go to the "Settings" - Sound of the phone, find the "**" option, and turn up the volume of "**", the same goes for the car navigation system.

2. The **** programming of some mobile phones (such as iPhone) is not connected with the docking code of some models, so it can only be answered**, not listened**; Solution: It is recommended to replace the Bluetooth ** frequency band, and it can be used normally. 3. There is no multi-**** with on-board Bluetooth turned on; Workaround:

Answer: Hello, if you are connected to the Bluetooth of your mobile phone and there is no sound when listening to songs, please follow the following methods2Turn on Audio. Method: Settings - Bluetooth - Tap the gear icon to the right of the paired device - **Audio tick.

3.If the above operation still does not solve the problem, there may be a compatibility problem with the Bluetooth headset, and it is recommended to reconnect or replace it with another Bluetooth headset for testing.

Solution: Go to the "Settings" - Sound of the phone, find the "**" option, and turn up the volume of "**", the same goes for the car navigation system.

3. There is no multi-**** with on-board Bluetooth turned on;

4. The ** audio on the mobile phone is not turned off, resulting in signal interference from the Bluetooth function.

Solution: Enter the Bluetooth settings interface of your phone, turn off the ** audio and keep the phone audio.

After the mobile phone Bluetooth is connected to the car amplifier. There is a lot of ** in the Bluetooth option of the mobile phone, and check it. Also, after connecting, turn up the volume of the phone.

In case it doesn't work, find a Bluetooth headset and try it to see if it's the reason for the phone. If it is judged to be the cause of the car power amplifier, it may be a problem with the navigation version.

Such a situation may be caused by incorrect connection, you can turn off and reboot to connect, Bluetooth connection to the car speaker steps: first.

1. Open the door on this side of the cab.

2. Press the brake pedal.

3. Turn the car key and turn on the power supply.

4. Wait until the meter lights up.

5. Click on the ** option at the bottom.

The workaround is:

1. First of all, mobile phones and on-board Bluetooth devices should establish a Bluetooth pairing relationship. Turn on the Bluetooth function of the mobile phone and the Bluetooth device in the car, and set the Bluetooth settings of the mobile phone to "Visible to everyone".

Set the mode button on the steering wheel to switch modes and there will be a sound.

1. The call volume of the mobile phone is not turned on.

2. The volume of the car navigation all-in-one machine is not turned on.

3. Go to the phone's "Settings" - Sound", find the "**" option, and turn up the volume of "**".

4. The on-board Bluetooth and the mobile phone are not paired and connected at all.

You can turn off Bluetooth first, restart the iPhone, and then turn Bluetooth back on, if the device still can't connect, just click the i icon on the right side of the Bluetooth name, click "Ignore this device", and then let it search again, if it still can't connect, you can restore the factory settings, if the above tries can't connect the Bluetooth device normally, then it's best to find a repair shop to check and deal with it.

After the Bluetooth connection is completed, you need to select the external device in the multi-** connection of the car, select the corresponding Bluetooth device, and it will be successful.

The first situation is: the call volume of the mobile phone is not turned on, the solution is: try to dial a ** number, in the dialing or talking state, press the volume up button on the side of the fuselage, you can turn up the sound.

The second situation is: the volume of the car navigation all-in-one machine is not turned on, and it can be turned on;

The third case: Go to the phone's "Settings" - Sound", find the "**" option, and turn up the volume of "**".

The fourth possibility is that the car Bluetooth and the mobile phone are not paired and connected at all, and the solution is:

1. First of all, the mobile phone and the on-board Bluetooth device should establish a pairing relationship. Turn on the Bluetooth function of the mobile phone and the Bluetooth device in the car, and set the Bluetooth settings of the mobile phone to "Visible to everyone".