See also:

Problems with the SmartKey
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Checking the tire pressures
Important safety notes WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fu ...

Important safety notes
WARNING Grains of sand, particles of dirt and other abrasive materials can enter the brake system. This can lead to excessive wear and unpredictable braking efficiency. After the brakes have ...