Tyre safety ( It is important throughout the year and especially critical in warm weather because of long trips, heavy loads, high speeds and higher temperatures. These all put additional stress on your tyres) Make sure your tyres are properly inflated. Check your tyre pressure oftern with a guage (recommended every three to four days) The correct pressures for your vehicle can normally be found in your owner's manual. The information may also be marked on the vehicle (for example, on the driver's door pillar, or on the inside of the petrol flap) The tyre thread depth shouldn't be less than 1.6 mm. Inspect your tyres and look for any signs of cracks or any abnoramalities on the external walls of the tyres.