Final answer:
True, a well-maintained vehicle is a best practice for safety and security as it reduces the chances of mechanical failures and enhances reliability in emergencies.
Step-by-step explanation:
Keeping a well-maintained vehicle is considered a "best practice" from both a security and safety perspective. This statement is True. A well-maintained vehicle is less likely to have mechanical failures that could lead to accidents or leave you stranded in an unsafe situation. Additionally, a vehicle that is in good condition can be more reliable when you need to evacuate, escape, or respond quickly in the event of an emergency or security threat.