Can you tell me what type of transmission fluid is needed for a 2015 GMC Sierra?

The 2015 GMC Sierra 1500 requires different types of transmission fluid based on the size of the transmission. For the 6.2L 8-speed transmission, you should use DEXRON®-HP Automatic Transmission Fluid, while all other transmission types will need DEXRON®-Vi Automatic Transmission Fluid. If you're uncertain about which products to use, I can provide assistance in selecting the right one for you. Some recommended options include the Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid and OE Fuel-Efficient Synthetic Automatic Transmission Fluid. Maintaining the proper level and quality of transmission fluid is crucial for keeping your transmission healthy and long-lasting. By taking good care of your fluid and ensuring it remains at the correct level, you can ensure your transmission remains in excellent condition.