Salt Air, Sand and Summer Heat: A Golf Cart Maintenance Calendar for Baja

Every golf cart manual has a maintenance schedule in it. None of them were written for here.

They assume a cart that lives in a garage in a temperate climate, driven on pavement, used year-round. A cart in Los Cabos lives within a few kilometres of salt water, sits in direct sun, crosses dirt and topes daily, endures a September that combines 29 °C averages with 78 % humidity, and then — for a large share of owners — sits completely unused from May to November.

That's four different attacks on the same vehicle, and they don't all happen at the same time of year. Here's a schedule built around the way Baja actually works.

One thing already working in your favour: every ZYCAR is built on an aluminum chassis and aluminum structural frame. Unlike steel, aluminum does not rust in salt air, so the core structure of the cart is far more resistant to the coastal corrosion that ruins many other carts here.

The two seasons that matter

November to May — the dry season. Low humidity, comfortable temperatures, almost no rain, and this is when your cart does most of its work. The enemy here is abrasive: dust, sand, and the mechanical wear of daily driving over topes and unpaved access roads.

June to October — the hot, humid, wet season. August and September bring the heat, roughly 75–78 % humidity, and virtually all of the year's rain. This is also hurricane season. The enemy here is corrosive and electrical, and it does its worst damage to carts nobody is watching.

Most owners maintain their cart during the season they're using it and ignore the season they're not. That's exactly backwards — the unattended months cause more of the damage we're called out to repair.

Every two weeks, while you're using it

Five minutes, no tools.

• Tyre pressure. Ambient temperature swings here are large, and underinflated tyres on a heavy cart wear fast and steer badly.
• Look underneath. Any drip, any puddle, anything hanging. Thirty seconds.
• Listen. New noises over topes are the earliest warning of suspension wear, and suspension is cheap to fix early.
• Charge properly. Plug in after use rather than letting it sit partially discharged for days.

Monthly

• Rinse the cart with fresh water. This matters more here than almost anything else on the list. Salt in the air settles on everything, and rinsing it off is the single highest-value habit an owner in Baja can have. Use a hose, not a pressure washer — pressurised water forced into a controller, motor or charging port causes exactly the faults you're trying to prevent.
• Inspect the battery terminals. You're looking for white or green powder, or any lug that isn't clean and tight. Corroded connections are the number one cause of service calls we get in Los Cabos.
• Check water levels if you run lead-acid. Monthly in cool months, more often in summer — heat accelerates evaporation. Distilled water only. If you're tired of this, it's one of the arguments for lithium.
• Test the brakes properly. Not 'they still stop.' Do they pull to one side, does the pedal travel further than it used to?

Quarterly

• Clean and protect the terminals. Disconnect, clean off corrosion, reconnect to correct torque, apply a protectant. Done four times a year, this alone prevents most electrical failures we see.
• Inspect suspension and steering. Bushings, tie rod ends, shocks. The topes tax adds up quietly.
• Check and adjust the brakes, including the cables, which seize from salt exposure.
• Inspect the charging port. Look for burnt, discoloured or corroded pins. A failing port damages the charger if left alone.
• Check wheel nut torque. Dirt roads loosen things.

Twice a year: the two visits that matter

These are the ones worth having a technician do, and they map to the rhythm of life here.

April–May: before summer, and before you leave

Full inspection, terminals serviced, brakes and suspension gone through, tyres checked, and — critically — the cart set up correctly for however long it will sit. Storage state of charge is the thing people get wrong, and it's the single most common cause of the lithium faults we're called to in October.

Park it out of direct sun if you possibly can. A cart sitting in the open through a Baja summer bakes its seat vinyl, canopy and wiring insulation, and the battery compartment of a cart in full sun runs far hotter than the ambient temperature suggests.

October–November: recommissioning

Coming back to a cart that's been sitting five months is not the same as coming back to a car. Before you drive it: inspect for corrosion that developed in the humid months, check the pack condition and bring it back up correctly, look for rodent and insect damage to wiring — genuinely common here — and check tyres, which will have lost pressure.

Do not simply plug it in and drive off. If the pack has been sitting at the wrong state of charge through the summer, how you bring it back matters.

Hurricane season: June 1 to November 30

Peak risk is August through October, and a golf cart is a light vehicle with exposed electronics. A few things worth knowing:

• Before a storm: Move the cart to high ground, away from flood paths, arroyos and drainage routes. Park it away from palms, loose structures and anything that becomes airborne. Disconnect the main battery connection. Unplug the charger — surges and brownouts during storms damage onboard chargers, and this is a frequent post-storm repair.
• After a storm, if the cart has been in floodwater: do not switch it on. Water in a battery pack, controller or motor is a genuine electrical hazard, not just a repair issue, and powering it up can turn a recoverable cart into a total loss. Call a technician.
• After any storm, even a dry one, rinse the cart thoroughly. Storm winds drive salt spray far inland, and that coating accelerates corrosion for months afterwards.

The quick reference

What to leave to a technician

Rinsing, tyres, visual checks and water levels are yours. Anything involving disconnecting a battery pack, brake adjustment, controller access, or diagnosing an intermittent electrical fault is worth handing over — partly for safety around a high-current pack, and partly because most of what goes wrong here is diagnosed faster with the right equipment than by trial and error.

Frequently asked questions

How often should I service a golf cart in Los Cabos? Twice a year professionally — once before summer or before you leave, once on return — plus monthly owner checks. That's more frequent than a manual will suggest, because salt air and heat here are harder on a cart than the conditions those manuals assume.

Can I pressure wash my golf cart? No. Use a hose. Pressurised water driven into the controller, motor, charging port or battery compartment causes the electrical faults that rinsing is meant to prevent.

What's the single most important thing I can do? Rinse it with fresh water regularly and keep the battery terminals clean. Those two habits prevent the majority of the failures we're called out for.

My cart sits unused for six months every year. Does it still need maintenance? More than one that's driven, honestly. Sitting through a Baja summer at the wrong state of charge is the leading cause of the battery problems we see, and unattended carts are the ones that suffer corrosion and rodent damage.

Should I disconnect the batteries before a hurricane? Yes, and unplug the charger. Move the cart to high ground away from flood paths and anything that could blow into it.

My cart got wet in a storm. Can I just let it dry out? Don't power it up to find out. Water in a pack or controller is a safety issue as well as a repair one. Have it checked before it's switched on.