Basically there is a red clip and black clip.
You open the hood, attach the red clip to the + sign that is red and the black clip to the bolt that is used for the -
You plug this charging device into a wall socket and let it charge. It will turn green once done. Very easy to use but embarrassing that a $100,000 truck has to be plugged into a wall because engineering teams are too lazy to test if a standard battery is strong enough for a truck with toys that drain the battery excessively.
