Final answer:
To indicate a left turn when a vehicle's turn signals are not working, the proper hand signal is to extend your hand and arm straight out.
Step-by-step explanation:
If your vehicle's turn signals don't work and you need to communicate to other drivers that you are planning to make a left turn, the proper hand signal is to extend your hand and arm straight out. All drivers should be familiar with hand signals as a part of their understanding of road safety and communication with other drivers. The correct option for indicating a left turn through hand signals is:
- c. Extend your hand and arm straight out
This hand signal is part of a standardized set of signals that drivers can use to communicate their plan to turn or stop when their vehicle turn signals are not working.