Hello, "I had the repair" - what repair?
The system should default "on" not "off". If it's automatically off, something is wrong and testing must be completed.
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www.repairpal.com/repair-shops
RepairPal Certified shops can diagnose and repair your 1999 Chevrolet Cavalier. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.