Lights and Batteries

Bright ideas from GEM for safer winter journeys


  1. Posted on January 18th, 2022 by GEM Motoring Assist
  2. We’re urging motorists to always ensure they’re as visible as possible. The advice follows complaints and observations from GEM members across the country about vehicles with dangerous lighting defects.   There are large numbers of drivers using vehicles with defective headlights, causing a significant risk to themselves and others on dark days and wintry nights. […]

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Front fogs


  1. Posted on December 23rd, 2021 by GEM Motoring Assist
  2. As I travel all around the UK, it surprises me how many drivers have their front fog lamps blazing continually, even when the slightest hint of mist is elusive. Perhaps they confuse them as ‘driving lamps’, or, perhaps, some road users think that putting as much light on the road is the best thing for […]

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Bulbs: Driving you spare


  1. Posted on November 17th, 2021 by GEM Motoring Assist
  2. This time of year is tough on halogen bulbs. After enjoying a relatively easy time throughout the summer months, the sudden stress that they encounter after the clocks go back can be too much. This explains the proliferation of cars on our roads with blown bulbs in their brake, side and even headlamps.   Apart […]

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Start-stop battery advice


  1. Posted on June 8th, 2021 by Rob Marshall
  2. A variety of technologies have been fitted to modern cars within the last decade that are intended to reduce exhaust emissions and fuel use. As we are discovering to our detriment, many such systems tend to have more of a positive benefit within a closed laboratory, then in real life. An example of this is […]

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Vauxhall’s IntelliLux LED headlamps – are they any good?


  1. Posted on April 29th, 2021 by Rob Marshall
  2. Technology moves at a frightening pace. Only 18 months have passed, since an automotive lighting laboratory proved that production-ready LED headlamps were considerably inferior to HID Xenon types. Yet, the latest adaptive LED headlamps challenge this finding but their availability has been limited to certain very pricey models. That is, until Vauxhall launched its IntelliLux […]

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Batteries – can yours last the distance?


  1. Posted on February 22nd, 2021 by Rob Marshall
  2. It has been a while, since I blogged last on batteries, but the recent sudden cold weather snaps have prompted me to do so, because the weather is not only catching-out ailing parts but can also destroy healthy items, too. The effects of cold weather on batteries. Batteries work harder in low temperatures, especially as […]

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Restore, not renew, discoloured headlights


  1. Posted on February 19th, 2021 by Rob Marshall
  2. Since glass headlight lenses were replaced with plastic covers, they have become more inclined to discolour and age. While glass would last indefinitely, unless shattered by an errant stone, or unstuck from the headlamp casing, the sun’s ultra-violet rays and chemicals from screen wash additives cause the plastic covers to degrade. The problem leads to […]

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How to fit LED lighting to your car legally


  1. Posted on February 7th, 2021 by Rob Marshall
  2. In our last blog on the topic, we looked at why LED conversion bulbs are both illegal and dangerous, when fitted to vehicle exterior lamps. Here are the most common questions on the topic, fielded by GEM’s Technical Department:   1. New cars are fitted with LED lamps, why can I not install LED bulbs […]

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Car battery care tips


  1. Posted on February 4th, 2021 by Rob Marshall
  2. With batteries being sealed, they tend to be ignored, until they are subjected to an outpouring of disgust, when they fail to start an engine. With cold weather reducing their capacities and making engines harder to start, the savvy car owner can save money and reduce the chance of battery let-down, by following these ten […]

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Blinding Ridiculous


  1. Posted on February 4th, 2021 by Rob Marshall
  2. Even though I spend much of my time driving in the dark at this time of year, I have been dazzled, with greater frequency, by the headlights of oncoming cars. While some of this could be attributed to misaligned lamps, I have identified that the worst offenders tend to be equipped with High Intensity Discharge […]

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