If you are experiencing a problem with your key fob, you may be wondering how to replace the battery in your GMC Terrain 2018. Fortunately, there are a few things you can do to get this problem fixed. The first step is to remove the key fob. Next, you will need to locate and remove the battery. Finally, you will need to install a new battery.
Disassemble the key fob
If you have a GMC Terrain 2018 key fob, you may need to disassemble it to replace a dead battery. A key fob is a small, metal box that is used to lock or unlock a car. The key is designed to last for about three to four years.
To disassemble the GMC Terrain key fob, remove the back cover. You can do this with a flathead screwdriver. This will also remove the battery.
Replace the old battery with a new CR2032 button cell battery. The new battery should be aligned with the positive side of the old one. In some cases, the new battery may be hidden underneath the old one.
Next, pry the case open using a flat-bladed screwdriver. This will give you access to the key, which is spring loaded.

Remove the battery
If you have trouble opening your GMC Terrain, you may need to change the battery. The battery will be located on the back cover, which can be accessed with a flathead screwdriver.
There are several types of batteries used in vehicle key fobs. You should be sure to replace the old battery with a new one, as a bad battery can cause your key to be unable to work.
To change the battery, you will first need to remove the key fob from your car. Use a small flathead screwdriver to pry the battery out of the back cover.
After you have removed the battery, you can replace it with a CR2032 3 volt battery. Make sure that you line up the positive side of the battery with the positive side of the back cover.
Install a new battery
The key fob on your GMC Terrain 2018 is an electronic device that lets you unlock and lock your vehicle. If you’ve noticed your key is unable to start your car or it seems to be working less efficiently, it might be time to replace the battery.
In order to perform this task, you’ll first need a flathead screwdriver. Using the screwdriver, pry open the back panel of the key fob and remove the old battery.
Next, place the new CR2032 3V battery in its proper position. It should be oriented with the positive side facing the back panel and the negative side down. Be sure to flush the battery at every edge.
Finally, make sure that the key fob is in the correct orientation. This is a fairly simple process.
Retain pressure in the brake system when trying to start the vehicle
Terrain has an anti-lock braking system (ABS) that monitors the braking force of the wheels to prevent lockup. When the pressure is low, the ABS light comes on. This warning helps the driver to determine whether the brakes need to be pumped or not.
If the ABS warning light remains on, the driver can try to use the brakes manually. The brake pedal needs to be firmly pressed to apply the brakes. A manual release tool is included with spare tire tools.
Another option is to connect a diagnostic device to the Terrain’s OBDII connector. After connecting, the device will scan for fault codes. It may provide initial indications of a problem, or it may show more accurate information once the diagnostic tool has access to more Terrain data.
Get a new key fob
The GMC Terrain is a small crossover SUV with bucket seats. It has a push to start button located on the dashboard, and Remote Keyless Entry transmitter. This transmitter will turn on the engine, set the pre-set climate controls, and keep the car running for up to 10 minutes.
You can get a new GMC Terrain key fob battery at your local hardware store. However, you should know that it’s not as simple as popping open the housing and swapping out the old batteries.
Instead, you need to make sure that the replacement has the correct size and is aligned correctly. That way, the new one will fit and function properly.
When you are replacing the key fob battery, you should use a CR2032 3 volt battery. These are available at several stores. To make sure that your new battery is the right size, check to see that the positive and negative sides are lined up.