When you get your new 2012 GMC Sierra, you’ll want to get your key fob programmed as soon as possible. If you forget your key, you can use your spare key or a remote to open your vehicle. There are several different steps to follow and it can be tricky, so make sure you are prepared.
Instructions for programming a keyless entry remote
If you own a 2012 GMC Sierra, you may have a question about how to program a keyless entry remote. There are a few simple steps you can take to make your vehicle’s keyless entry system work. However, it is important to know what you’re doing.
First, you’ll need to place the key into the ignition. You’ll also need to place the key in the “ON” position. The engine should not be started while you’re doing this.
Next, you’ll need to open the door. Make sure you are close to the steering wheel. The interior lights should be on when you open the door.
Then, you’ll need to hold the “LOCK” and “UNLOCK” buttons. This should allow the door to lock and unlock automatically. After you’ve successfully completed this, you can begin the programming process.
Before you start the programming process, you’ll need to make sure you have a working transponder key. It’s also a good idea to shut all of your doors.
Now that you’ve finished setting your key, you’re ready to program the remote. When the car locks cycle, this will indicate that you’re in the programming mode. Once your vehicle responds, you’ll be able to set the perfect exit point.
After you’ve completed the programming process, you’ll be ready to start your vehicle. In addition to starting your vehicle, you’ll be able to access and control a range of features.

Troubleshooting problems with a keyless entry remote
If you have trouble with your keyless entry remote for your 2012 GMC Sierra, there are a few different steps you can take to try to resolve the issue. You should first check the batteries in your transmitter and remote.
It may be time to consider buying a new remote. If the remote has been working for a while, it is probably just worn out. Depending on the vehicle, you may also need to reprogram the key.
The most common issues with keyless entry remotes are problems with the buttons. They can be loose, broken, or soldered. Alternatively, the keyless entry remote receiver can be damaged or disconnected.
Other issues include software issues, a malfunctioning logic board, or a faulty antenna. A professional locksmith can reprogram the key for you.
Another option is to replace the battery. Fortunately, most car key remotes do not use expensive batteries. In addition, most vehicles allow you to add a second remote.
The remote should make a chiming noise when you sync it with the vehicle. Once it does, it should lock and unlock the door automatically. But, if you don’t hear the chime, you’ll want to step away from the car and test your transmitter.
If the problem still persists, you may need to contact a car care expert. Your dealer can diagnose the issue and recommend a solution.
Using a spare key or remote in the event of a lock-out or lost key
When your key fails to work or you lose your keys, it’s a stressful situation. Fortunately, there are some steps you can take to make your car start.
The first step is to make sure your battery is working. If the battery is dead, you’ll need to replace it. AutoZone has batteries available. Just insert the new battery in the same way you would a normal one.
How to Keep Your GMC Key Fob Battery Healthy read
In addition to a dead battery, a broken button or button connection can cause your key fob to fail. You can either reprogramme the buttons or fix the broken contacts. Depending on the make of your car, you may need to contact the manufacturer.
If you don’t have a spare key, you’ll need to call for roadside assistance. Many manufacturers offer remote door unlocking services. These will generally require a PIN and set-up. They are also a bit more expensive than other options.
Changing your car’s locks can cost upwards of $1,000. Your vehicle may also require a mechanical or electronic anti-theft system. GM and other automakers have developed systems that can prevent theft. Some carmakers even allow you to program non-working keys.
If you have a spare key, you should hide it somewhere safe. A neighbor’s yard is a good place to hide a key. However, you’ll need to be careful not to break the electrical wireless.