<human>:  I'm trying to fix the headlights on my car. What are the steps I should take to replace the bulbs?
<bot>: 
1. Disconnect the negative battery cable.
2. Remove the headlight assembly.
3. Check the wires and connectors.
4. Take out the old bulb from the headlight assembly.
5. Insert the new bulb into the assembly.
6. Connect the headlight wires and connectors.
7. Re-install the headlight assembly.
8. Connect the negative battery cable.