How do you unlock a car radio with a code?

How do you unlock a car radio with a code?

With the Unlock Code

1. Locate the anti-theft/unlock code. Most cars have a special anti-theft radio card that is included with the owners manual packet containing the unlock code and serial number.
2. Turn the car’s ignition switch to the “on” position. This turns on your car’s electrical system and powers up the radio.

How do I unmute my GMC radio?

v • Press and release to access the phone display or answer an incoming call. Press to turn the power on. Press and hold to turn the power off. Press to mute/unmute the system when on.

How do I reset my GMC navigation system?

Here are the steps to follow:

1. Navigate to your GMC IntelliLink home screen and click on ‘Settings’
2. Select ‘Return to Factory Settings’
3. You’ll be offered three options: Restore Vehicle Settings, Clear All Private Data, or Restore Radio Settings.
4. When prompted to either Continue or Cancel, click ‘Continue’

Why is my GMC screen not working?

The quick way to reset your GMC infotainment system is to press the OnStar call button and quickly hang up. If this doesn’t work after several tries, you’ll have to take it into the dealership for a factory reset. Sometimes these resets work, sometimes they do not.

How do I reset my GMC touchscreen?

How to Reset the GMC IntelliLink?

1. Navigate to your GMC IntelliLink home screen and click on ‘Settings.
2. Select ‘Return to Factory Settings.
3. You’ll be offered three options: Restore Vehicle Settings, Clear All Private Data, or Restore Radio Settings.
4. When prompted to either Continue or Cancel, click ‘Continue.

Why is my gmc radio not working?

If Your radio volume is not working in Your GMC Sierra that is usually a sign of a problem with either the head unit, amplifier, or speakers. If You do have volume coming out of the radio then it is most likely a software problem and that can usually be solved by restarting the head unit itself.

Why does my radio not work?

Common reasons for this to happen: Blown Fuse: One of the most common reasons for a car radio to stop working is a blown fuse. A damaged antenna means that your radio isn’t able to receive signal from stations. A damaged tuner means that you’ll most likely need to replace the head unit itself.

How do I get my radio to work?

Common reasons your radio won’t power on

1. Common Car Radio Problems.
2. Check the Unit for Protect Mode.
3. Check the Fuses.
4. Check the Pigtail Connector.
5. Check for Power at Head Unit.
6. Check for Ground at Head Unit.
7. Bench Test the Head Unit.

Why does my car radio have no sound?

If the amp fuse is blown, that is probably the reason that you aren’t getting any sound out of your car radio. In some cases, a broken wire or bad connection in the speaker wires where they pass through into a door can also cut off the sound altogether rather than just cutting off the sound to one speaker.

How do I find a short in my car radio?

Set your voltmeter to the DC voltage scale, at around 20 volts, and connect your meter across the fuse holder. If there’s a short in the circuit, you meter should read some voltage. If you are using a test light, you can also connect the light across the fuse holder. When there is a short, the light will illuminate.