Related Clues:

• Trial run
• Bring to bear
• Partake of
• Test-driver's car
• Trial
• What a test driver test-drives
• 'Oh, what's the ___?'
• Use
• Call upon
• Entrance requirement, maybe
• With 24-Down, self-diagnosis aids
• Consumer Reports report
• Middle of the question
• Finish, with 'up'
• Examine