On-board computer event window 143 On-board computer and displays Tyres Z Display messages Possible causes/consequences and M Solutions J Increased brake force and pedal travel Supplementary text Û: Stop vehicle. Contact service centre. In addition, the J warning lamp lights up red in the instrument cluster. Full braking power may not be available. G WARNING Driving and braking characteristics are affected. The operating and road safety of the vehicle are jeopardised. There is a risk of an accident. X Carefully bring the vehicle to a standstill and park it safely. X Apply the parking brake. X Consult a qualified specialist workshop.
J Driving and brak‐ ing characteris‐ tics changed Supplementary text Û: Stop vehicle. Contact service centre. In addition, the J warning lamp lights up red in the instrument cluster. The vehicle's brake system is malfunctioning. G WARNING Driving/braking characteristics may change. There is a risk of an accident. X Carefully bring the vehicle to a standstill and park it safely. X Apply the parking brake. X Consult a qualified specialist workshop. Display messages Possible causes/consequences and M Solutions h Check tyre pressure The tyre pressure has dropped in one or more tyres. G WARNING The driving and braking characteristics are affected. There is a risk of an accident.
X Stop the vehicle without steering or braking suddenly. Pay attention to the traffic conditions. X Check the tyres for damage. X Check the compressed-air line for leaks. X Check the tyre pressure and correct it if necessary. X If necessary, change the tyre (Y page 323).