How should a candidate handle the approach of a police checkpoint or traffic control officer waving a red baton or illuminated stop wand in Angola?

1. Signal right in advance, slow down progressively, pull over safely to the right shoulder, stop the vehicle, turn off audio systems, roll down the window, and present documents calmly
2. Accelerate past the checkpoint without stopping
3. Make an immediate high-speed U-turn across the highway
4. Refuse to roll down the window or present driving documents