Before Your Guardian Interlock Installation — Car Batteries and Interlocks

Good work scheduling your appointment to have your interlock installed. Before you go to your appointment, you will want to check the battery on your car so your program runs smoothly.

An interlock is an electronic car accessory, and like all accessories, it is always taking a little bit of charge from your car’s battery. Like the radio, remote start or any other accessory, a fully charged battery and properly operating alternator are important to ensure that your car can handle the load with ease.

Check the battery on your car. Fully charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts (this means your alternator is charging the battery as the car runs). Most auto parts stores can check your battery and your alternator before you go to your installation appointment.

Run the car regularly. An interlock is an “always on” accessory, meaning that even when your car is parked the interlock draws a bit of charge. Even if you are not driving daily, it’s a good idea to start your car and let it run so the alternator can keep the battery at full charge.

We check too. Your installation technical will also test your battery before installing the interlock and will recommend replacing it if it is not sufficiently powered.

By following these steps, you and your car will be prepared for your interlock installation.

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