What is the primary requirement when executing a diagonal / angle parking bay entry?

1. Indicate in advance, steer into the center of the bay in the direction of the angle, and stop before the front barrier/kerb
2. Enter the space in the opposite direction against the painted angle lines
3. Straddle two parking bays to ensure extra space around the vehicle
4. Accelerate briskly into the bay and brake abruptly against the wheel stop