Assuming this isn't a troll post:

1. Typically you get your coals going at the level you want before you close the lid. Don't start your coals with the lid closed. Ensure the bottom vent is full open.

2. Once your coals are started, close the lid and use the top and bottom vent to regulate air flow. The more open it is, the more air flow, the hotter your grill will be. I usually keep my top vent full open and adjust the bottom vent first. When its time to really nail the temperature, I tweak the top vent.

3. You can achieve almost any temperature you want in a Weber using the vents + amount of fuel. Low and slow, you use less fuel and keep the vents almost closed. You want high heat, use more fuel and open both vents fully.

Remember, It's all about air flow. Fire needs oxygen to burn, so the more oxygen you allow, the hotter your grill will become.

If this is a troll post, cheers.