Cleaning Your Autopilot Control Head: Safe Steps

Why cleaning matters

The control head is the part of the autopilot you touch most: the glass display, the buttons or rotary knob, and the case around them. Salt spray, sunscreen, dust, and fingerprints build up over a season and can make the screen harder to read and the buttons less pleasant to press. Cleaning is about keeping the control head legible and comfortable to use, not about changing how the autopilot steers.

A clean control head also helps you see the autopilot's status and alarms clearly, which matters for safe operation on the water. The U.S. Coast Guard Boating Safety division emphasizes that boat operators are responsible for keeping a proper lookout and maintaining their vessel's equipment. A readable control head is part of that. For more on autopilot safety and the watch, see the autopilot safety features article.

This article covers general steps for cleaning the glass, buttons, and case of a control head. It does not cover disassembly, wiring, or any repair. For anything beyond wiping the outside, the maker's manual and a qualified installer are the right sources.

Common control head types

Autopilot control heads come in several styles. Some have a small color LCD and a rotary knob, like the Furuno NavPilot 300 with its 4.1-inch display and gesture controller. Others use pushbuttons and a simple screen, such as the Raymarine p70 or p70R control heads that pair with Evolution autopilot packs. The cleaning approach is the same for all: gentle wiping with a soft cloth.

The buttons and the knob can collect grime from sunscreen and skin oils. The case, often plastic or rubber-coated, may need a bit more attention. Whatever the style, the rule is to use minimal moisture and no harsh chemicals.

If you are comparing control heads before a purchase, see the control head buying guide to see how models differ on stated details. You can also read about control head options to understand what features to look for.

What you need

You do not need special marine products for most control heads. A soft, lint-free cloth is the main tool. Microfiber cloths work well. You also want a second dry cloth for finishing.

For water spots or sticky residue, a mild soap solution can help. Mix a few drops of dish soap in fresh water. Avoid abrasive pads, paper towels, and any cleaner with ammonia, alcohol, or strong solvents. These can damage the display coating or the case plastic.

If you are buying a new autopilot, the control head may come in a complete pack or be sold separately. For a complete pack that includes a control head, compare complete autopilot packs. For a core pack without a control head, you will add a head separately; review core packs to understand what is included.

Step by step: cleaning the control head

Start by turning off the control head if you can. This makes smudges easier to see and avoids any accidental button presses while you wipe.

Dampen the cloth slightly, not soaking wet. Wipe the display in a gentle, circular motion. Then wipe the buttons and the case. Use a dry cloth to remove any moisture left behind. Pay attention to the edges where the glass meets the case, but do not force cloth into seams.

If a spot does not come off with water, try the mild soap solution. Apply it to the cloth, not to the control head. Wipe again and dry. Never spray any liquid directly onto the control head, because moisture can get inside through openings.

Some control heads are NMEA 2000 certified and connect to a network that shares data with chartplotters and other instruments. The NMEA 2000 standard describes a network for interconnecting marine electronics. Cleaning the control head does not affect that network, but for proper operation, keep connections dry and secure. See the NMEA 2000 connectivity article for details on the network side.

What to avoid

Do not use window cleaners, kitchen sprays, or any product that lists ammonia or alcohol. These can strip protective coatings and cloud the display. Do not use abrasive scrubbers or brushes. Do not submerge the control head or let water pool around the buttons.

If the control head has a sun cover or a protective film, clean that separately according to the maker's instructions. If you are unsure whether a product is safe, the maker's manual is the place to check.

For control heads that are part of a steer-by-wire system, the same cleaning rules apply. The control head is just the interface; the drive system is elsewhere. If you have a steer-by-wire autopilot, see the steer-by-wire autopilot guide for system choices.

When to clean

There is no fixed schedule that fits every boat. A control head in a salty, sunny cockpit may need a wipe every few days. One in a protected helm may go weeks. The sign to clean is when the display is hard to read or the buttons feel sticky.

Cleaning is separate from maintenance like checking connections or updating software. Those tasks belong in the maker's manual and a qualified installer's scope. For buying a new control head or a complete autopilot pack, see the guides below.

If you are wondering whether your autopilot setup needs a different control head or a different pack, start by reading the marine autopilot guide to compare full systems on stated details.

What to pick for your situation

Questions

Can I use glass cleaner on my autopilot control head?

Avoid glass cleaners that contain ammonia or alcohol. They can damage the display coating. Use a soft cloth dampened with fresh water or a mild soap solution instead. For more on control head features, see the control head guide.

How often should I clean the control head?

Clean when the display is hard to read or the buttons feel sticky. In a salty or sunny environment, that might be every few days. There is no fixed schedule.

Is it safe to spray water on the control head?

No. Never spray any liquid directly on the control head. Moisture can get inside through openings. Dampen a cloth instead and wipe the surface.

What should I do if a stain will not come off?

Try a mild soap solution on the cloth. If that does not work, check the maker's manual for approved cleaners. Do not use abrasive pads or strong solvents.