A vehicle suspension system includes a pump, a gas spring, and an accumulator. The architecture generally includes a coupler, a delay line, and a switching system. The monitoring arrangement comprises a sensor unit with a sensing surface responsive to liquid impact for enabling the sensor unit to emit a sensor signal indicative of the liquid impact. The user may also compose a custom text message. The invention also relates to the process of the synthesis of compounds of formula as well as the pharmaceutical composition containing the same and the use for treatment of pain, inflammation and disorders associated with inflammation.