380 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
KRetractable Roof Operation
Please WaitThe on-board voltage is too low.Start the engine.
The hardtop drive system was 
shut down for safety reasons after 
multiple, consecutive attempts to 
raise or lower the hardtop.After about 10 minutes you can open or 
close the retractable hardtop.
Switch on the ignition (page 37).
Repeat the opening or closing 
procedure.
Retractable Roof
LoweringThe retractable hardtop is not 
completely opened or closed. The 
roof hydraulics will start to lose 
pressure.Make sure the retractable hardtop is 
completely opened or closed 
(
page 240).
Retractable Roof
Operation Only At StandstillYou have attempted to open the 
retractable hardtop while driving.Stop the vehicle in a safe location and try 
to open the hardtop again.
Retractable Roof Not
Opened/Closed CompletelyYou are driving with the retract-
able hardtop not properly locked.Stop the vehicle in a safe location. Ob-
serve the traffic situation around you.
Push the retractable hardtop switch for-
ward or rearward until the retractable 
hardtop is completely closed or open 
(
page 240).