For: Mercedes-Benz GLC 260L / 200L / 300 2019 2020Product introduction:Name: inflatable car bedType of inflation pump: inflation pump integratedDimensions:T1: the headrest must be inflated only manually. PONGEE, stripes StyleT2: the headrest must be inflated only manually. SUEDE, solid color StyleT3: the headrest must be inflated only manually. PONGEE, nailed StyleInitial use ：① Spread the air cushion② Open the air nozzle to automatically expand the air mattress. Close the air nozzle, repeatedly fold the air cushion bed, then press hard several times, then open the valve to allow the air cushion bed to expand automatically to completely restore its elasticity and shape. Inflatable method ：pread Position the air cushion, open the air nozzle, the air cushion bed will automatically begin to expand②Wait until the bed expansion is complete air, then tighten the air valve cover③ Adjust the air pressure and adjust it to a comfortable hardnessExhaust method① Open the air nozzle, roll it up from one end of the air nozzle and expel the air②Close the air nozzle, roll up the air bed on the other end and open the air nozzle again to let the air out residual airFinally, close the valve and keep it in a rolled up state at any time