Although the main power must be shut down, other components may be running as needed while service is being performed on an HEV.

Answer

FALSE

Explanation

It is important to mention that hybrids have a full electric driving mode that uses high voltage batteries than those that do not have full electric mode. Voltage in most hybrid batteries can deliver a lethal shock like that of an electric chair, thus treat them with care and be aware of the possible hazards. Safety procedures should be followed while performing service to these vehicles.

False, just did the test