# Maintenance

## Sensor Cleaning

Based on the sensor usage you may see dust, bugs and/or layers of mud/debris on the window. Before you attempt to clean your sensor, please read the instructions below on best practices.

### Required Materials

* Clean microfiber cloth (included).
* Warm water.
* Mild liquid dishwashing soap.
* Spray bottle with clean water.
* Spray bottle with mild soapy water.
* 99% Isopropyl alcohol.

{% hint style="warning" %}
Avoid getting water into the Smart Dovetail Connector or GNSS Module Lemo Connectors
{% endhint %}

{% hint style="warning" %}
Avoid using hard water when cleaning the sensor.
{% endhint %}

{% hint style="warning" %}
Do not use acetone to clean the window. It will embrittle the polycarbonate.
{% endhint %}

{% hint style="warning" %}
Do not wipe dirt directly from the sensor. Spray it off with warm water first.
{% endhint %}

### Procedure

{% stepper %}
{% step %}
**Remove Loose Debris**

Using the 99% isopropyl alcohol and a clean microfiber towel, gently wipe away bugs/mud/debris from the sensor.
{% endstep %}

{% step %}
**Clean with Soapy Water**

Spray the sensor with warm, mild-soapy water. Using a clean microfiber towel, wipe gently along the curve of the sensor, not top to bottom, to avoid scratches (think moving with the grain).
{% endstep %}

{% step %}
**Rinse the Sensor**

Spray the sensor with clean water to remove any remaining soap residue.
{% endstep %}

{% step %}
**Dry Thoroughly**

Use a second clean, dry microfiber towel to dry the sensor.
{% endstep %}
{% endstepper %}


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