quick start


DC Fast Charging is a type of electric vehicle charging available from certain public charging stations. This type of charging capability allows you to quickly charge your vehicle’s battery while you’re away from home.

Sierra EV is capable of 800-volt DC Fast Charging at up to 350 kW, letting you add 100 GM-estimated miles in approximately 10 minutes.

Important Note About Charging:

Charging your battery to 80% for daily use helps promote battery health and optimal regenerative braking performance. For longer trips, you can adjust your charge above 80% for extended range. Consumers should see their vehicle Owner’s Manual for more information.

To DC Fast Charge:

  1. First, locate a public DC Fast Charging station. The GMC Sierra EV is engineered to charge with stations using the SAE Combined Charging System (CCS). You can use Google built-in or the myGMC mobile app to search for one.
  2. With your vehicle in PARK, locate the charging port on the outside of the vehicle, located on the driver’s side near the truck bed.
  3. To open the charge port door, press the rear side of the door (like opening a fuel door in a gas-powered vehicle).
  4. Remove the DC Fast Charging dust cover on the charge port.
  5. Plug the DC Fast Charging station’s cord into the vehicle’s charge port.
  6. Follow the steps on the charging station or charging station app (depending on the station provider) to start charging.
  7. The DC Fast Charging plug will be locked and cannot be disconnected while charging is active.
  8. Charging will continue until you stop the process or until the vehicle reaches the target charge level.

IMPORTANT: Charging Confirmation Lights

  1. When you first plug your vehicle into the charger, you’ll see a blue light flash in the charge port to confirm the vehicle has connected to the charger.
  2. After you see the blue light flash, you’ll see a blinking green light to confirm that your vehicle is charging. The length of the blinks will increase as your vehicle charges up, with shorter blinks meaning it’s at a lower state of charge and longer blinks meaning it’s at a higher state of charge.
  3. Once charging is complete, the light will light up solid green.

Note: While your vehicle is plugged in, before you turn it on, you can check the “peek-in” screen on the Driver Display for a quick look at the current state of charge and estimated time to reach target charge level. This information is also available in the myGMC mobile app if you want to check it remotely. Remember to unplug the charge cord from your vehicle before driving away. 

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