Why does my aftermarket radio stay on when car is off?

Why does my aftermarket radio stay on when car is off?

In some cases, a bad ignition switch or ignition switch cylinder may also prevent a radio from turning off. The issue here is that, under normal circumstances, accessories like your car radio only receive power when the ignition switch is in the accessory, run, or start position.

How do you install a radio in a GMC Sierra?

How to Install a Stereo in a GMC Sierra

1. Open the hood and disconnect the negative battery cable.
2. Pry the upper left edge of the dash panel, behind the steering wheel, until the clip unsnaps.
3. Lower the two levers, one on each side of the stereo, and pull the radio out of the GMC Sierra dash.

How do I unlock my 2013 GMC Sierra radio?

Call 1-800-537-5140, when asked, enter 139010*, when asked enter the 4 or 6 digit code (obtained from Steps 1-3) from the radio and an *, for example using my code, 702712*, you will get an unlock code, write it down.

How do I unlock my GMC Sierra radio?

Dial 1-800-537-5140 to connect with GM’s toll-free radio hotline. Once you’re connected, you’ll be asked to provide your vehicle’s radio identification number, along with a special dealer access code. You’ll then be rewarded with a 4-digit retrieval code, which will allow you to unlock your 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 turn off navigation in GMC?

To cancel your route, tap the MENU icon and then select “Cancel Route,” or simply press the “X” icon, depending on your model. To mute or unmute the audio prompts, tap the MENU icon and then select “Navigation Voice Preferences,” or simply press the microphone icon, depending on your model.

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’

How do I update my GMC infotainment system?

Yes. To manually check for software updates, go to “Settings” in your infotainment system and look for either of the following (steps may vary by vehicle): Under the “System” tab, go to the “Vehicle Software” section and look for “Updates.” Choose “Software Information” and then look for “System Update.”

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.