When applying silicone oil products to dashboard tops spray onto a cloth and use the cloth to apply. This avoids getting silicone on the windscreen.
Never leave aerosols in a car interior or boot. They may get punctured from rolling around and the temperature can easily exceed the recommended storage temperature.
Always wash a car from the roof down. Clean one section at a time then wash off. This helps avoid streaking.
When using a cleaning product or paint always spot test first in a hidden area to check for compatibility.
When using an engine degreaser allow the product five minutes to penetrate the grime before washing off. Never allow to dry as this may cause streaking.
Wheel cleaners are designed to loosen brake dust and grime from the wheels. A hard brush may be needed on really stubborn grime. After cleaning and rinsing, allow to dry, then use Tyre Shine to give the tyres a new look shine.