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If you miss your service appointment or receive a violation, your Ignition Interlock will need to be serviced at a Smart Start service center. If you do not service your Ignition Interlock within the time period presented on the Ignition Interlock screen, the device will go into Permanent Lockout. In this case, you are required to have your car towed to a service center to have your device serviced – this cost is incurred at your expense.
To avoid this expense, you may be able to use a temporary Unlock Code as a courtesy allowing you more time to get your device serviced.