Which steps ensure safe removal or replacement of emergency lighting components without damaging the vehicle's electrical system?

• A. Ignore the backup battery and remove lighting components with power connected.
• B. Disconnect the battery, isolate the circuit, use insulated tools, label connectors, and follow the OEM wiring harness routing and torque specs.
• C. Use metal tools to pry connectors and skip torque specs.
• D. Routinely replace all connectors without labeling.

Answer: (B)