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Which of the following statements is true? If a customer has declined to authorize required services: _____.
- You may not perform any service on the specified system.
- You must refuse to perform any service on the specified system if doing so will create or continue an unsafe condition.
- It is the customer's car and the customer's decision; they determine what repairs will be performed.
- As long as the customer signs a waiver, you may perform partial services.