Drivers in England warned they should only wash car 'after 5pm'

Drivers have been told to never wash car at certain times to avoid "streaking" and "marks" on their motors. Stoner Car Care has offered motorists a number of tips that can help them wash their car this summer as July continues to progress.

They advised: "Of course, summer often brings weeks-long stretches of heat, so finding a cool day to wash may be easier said than done. In that case, plan to wash in the early morning. During the morning hours, sunlight and UV rays are less intense. Similarly, afternoons between 5pm and sundown are also well-suited for detailing."

They continued: "Washing after sundown sounds ideal, but we recommend avoid cleaning after sunset for several reasons. For one, the lack of light makes it difficult to clean thoroughly. Dirt is less visible at night.

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"Also, it may be difficult to thoroughly dry your car's surface without the warmth of daytime. A damp vehicle may encourage corrosion. In addition, a damp car may also become a magnet of bugs, as insects often stick to wet surfaces."

They then added: "Always avoid cleaning your car in direct sunlight. The sun dries water quickly and leads to soap drying on your car's surface before the cleansers break down dirt. Also, rapid drying creates streaking and leaves watermarks.

"To optimise your cleaning process, seek partial shade. Indoor areas with ample lighting provide ideal conditions for detailing car exteriors; however, any outside area with shade - such as under a tree or an overhang - suffices."

The warning for road users comes amid rising temperatures - and unseasonal conditons - which are bringing rain and wind to the country, with the promise of rising mercury levels later this month which could sweep dust across the country and make cars even dirtier and more filthy, too.