A GPS tracker is a silent guardian: it goes months without drawing attention and only reveals whether it is up to the task at the moment when everything depends on it — when the vehicle is taken, leaves a safe area or disappears from the map. The problem is that many owners install the device and forget about it, assuming that "it's there, so it works". That is not always the case.
Across much of Africa, conditions are particularly demanding for any electronic equipment installed in a vehicle: intense heat, dust, constant vibration on uneven roads, and network coverage that varies greatly between the city centre and rural areas. All of this wears the device down over time. The good news is that maintaining a tracker is simple, cheap and almost entirely within the driver's own reach. This guide brings together the good practices that keep the device reliable year after year.
Why a tracker needs care
Unlike an alarm, which goes off visibly when it fails, a tracker can stop transmitting without anyone noticing. The first person to discover that the device had broken down is, far too often, the one who needed it most — after the car has already been stolen. That is why maintenance is not a technical luxury: it is an integral part of security itself. A well-maintained device transmits the correct location in the decisive minutes; a neglected device is just a false sense of protection.
Battery and power: the foundation of everything
Power is the most critical point. Most trackers connect to the vehicle's battery and have a small internal backup battery, which keeps the device transmitting if the main power supply is cut — exactly what an experienced thief tries to do.
- Check the vehicle's battery. A car that sits idle for many days, or with a weak battery, also compromises the tracker. Extreme heat, common in many African regions, shortens the life of any battery.
- Confirm the connections. Road vibration can loosen cables and oxidise contacts. Loose connections cause intermittent faults that are hard to diagnose.
- Don't ignore the internal battery. It has a limited lifespan and loses capacity over the years and with heat. It is worth testing it periodically to make sure it can still handle a power cut.
- Watch out for standalone models. Trackers powered solely by their own battery require regular charging or replacement — note the recommended interval and stick to it.
Signal and coverage: the connection that cannot fail
A tracker relies on two connections: the GPS signal, which determines the position, and the mobile (GSM) network, which sends that position to the monitoring centre. Either one can fail.
In dense urban environments, tall buildings can degrade the signal; in rural areas and on isolated roads, it is the operator's coverage that is scarce. It is worth confirming that the device's SIM card is active and has credit or a valid data plan — an expired SIM leaves the device mute. If the vehicle travels between countries, check that the plan includes roaming, or you risk losing tracking precisely when crossing a border. The antenna's location also matters: a poorly positioned device, covered by metal, loses accuracy.
Periodic tests and warning signs to watch for
The golden rule is simple: don't wait for the emergency to find out whether the system works. A quick test from time to time saves you nasty surprises.
The routine test
- Open the app or contact the monitoring centre and confirm that the displayed position matches the vehicle's actual location.
- Take a short trip and check that the route is recorded and updated.
- Test the features you use — geofence alerts, panic button or fuel cut-off, if applicable.
Signs that deserve attention
- A frozen or outdated position, or "jumps" to impossible locations.
- Long delays between updates or prolonged silence from the device.
- Alerts that have stopped arriving on your phone.
- Abnormal drain on the car's battery, which may point to a faulty connection.
If you notice any of these signs, don't dismiss them: it is better to diagnose the problem in time than to rely on a device that no longer responds.
Updates and professional maintenance
Many trackers receive firmware updates that fix bugs and improve the reliability of communication. Keeping the equipment up to date is part of the care, just like periodically reviewing the configuration with the supplier. There are, however, tasks that go beyond the average user: inspecting the internal installation, testing the backup battery under load, repositioning antennas or validating the fuel cut-off all require experienced hands. A professional review, built into the vehicle's normal maintenance, ensures that every layer continues to fulfil its function.
How Iberian Secure helps
At Iberian Secure we don't just sell and install discreet GPS trackers — we look after them throughout their life. Our monitoring centre operates 24 hours a day, 7 days a week, watches over the status of the devices and detects signs of failure before they become a problem. To careful installation we add maintenance, designed to withstand the heat, the dust and the difficult roads of Africa.
If you have doubts about the state of your system, the first step is simple: a no-obligation Risk Assessment, in which we check your current protection and propose the solution best suited to your vehicle and your routine.

