A trail drive in the wet season tests a vehicle in ways that a dry summer does not. Rain, mud, fog and low light all demand clear visibility and a battery that starts reliably every time. Two parts of the car are often overlooked until they fail: the battery and the wiper system. Both are inexpensive to check, and both can make a difference between a calm drive and a stressful one. This guide explains how to inspect the battery, how to care for the wipers and how to prepare the car for the muddy weeks ahead.
Test the battery before the weather turns
Cold, damp weather makes a weak battery more likely to fail, because the chemical reaction inside slows down and the engine needs more power to start. Have the battery tested by a garage or a shop that offers this service, and ask for a clear result. If the battery is more than a few years old, or if the car has been starting slowly, consider replacing it before the wet season begins. Many drivers find that a planned replacement is far less stressful than a breakdown at a muddy trailhead. Readers may also want to visit pdxmagazine.com.
Check the battery terminals for corrosion, which often looks like a white or greenish crust. Disconnect the battery safely if you are comfortable doing so, clean the terminals with a suitable brush and reconnect them securely. If you are unsure about working with batteries, ask a qualified mechanic to do it. You can also visit FirstReporter.org for more reading.
Inspect and replace wiper blades
Wiper blades do not last forever. Over time, the rubber hardens, cracks and leaves streaks across the windscreen. In wet conditions, poor wipers can reduce visibility at the worst possible moment, especially on forest tracks where spray and mud are common. Check the blades for splits, flat spots and stiffness, and test them with the washer fluid. If the blades leave smears or skip across the glass, replace them. For a related read on this site, see Getting Back Behind the Wheel After Years Away:.
Choose blades that match the size and fitting of your vehicle, and follow the instructions for fitting them. Many people find that fitting new blades takes only a few minutes, and the improvement in clarity is immediate. Keep a spare set of blades in the car if you regularly drive on long rural routes, because a damaged blade can be difficult to replace at short notice.
A simple wet-season check might include:
1. Test the battery and inspect the terminals.
2. Replace worn wiper blades and check the arms for bending.
3. Top up the washer fluid with a fluid suited to cold weather.
4. Check the headlights, fog lights and interior light.
5. Look at the windscreen for chips or cracks that could spread.
Prepare the lights and washer system
Good lights matter as much as good wipers on a wet trail. Headlights can become dim when lenses cloud over, and a dirty windscreen can scatter light from oncoming vehicles. Clean the headlight lenses and check that the beams are aimed correctly. Test all lights, including the rear lights and any fog lights, and replace any bulb that is dim or flickering. Keep a supply of spare bulbs in the car if the model allows it.
Washer nozzles can become blocked with dirt, so test each one and clear it gently if the spray is weak or uneven. Use a washer fluid rated for low temperatures, because plain water can freeze in cold weather and damage the pump. Refill the reservoir before each trip, and keep an extra bottle in the car for long drives.
Plan the drive around the weather
Once the car is ready, plan your trail drive around the conditions. Check the forecast before you leave, and avoid routes that are likely to flood or become very slippery. Drive slowly on muddy tracks, leave extra distance between vehicles and use the lowest suitable gear on steep descents. If visibility drops in fog or heavy rain, slow down and use your lights as recommended in the highway code for your area.
Look after the tires too. Mud can hide small stones and sharp debris in the tread, so check each tire after a muddy drive and remove anything that could cause a puncture. Keep an eye on the pressure, since cold nights can lower it quickly. Inspect the wheel arches and underbody for caked mud, which can hold moisture against metal and encourage corrosion over time. A simple rinse of the wheels and arches with plain water, followed by a gentle dry, is often enough to keep the vehicle in good order between trips.
Finally, after each muddy trip, wash the underside of the car where possible and dry the wipers to prevent cracking. A little care before the wet season means that every trail drive can be enjoyed with confidence, whatever the sky is doing above you.
