Beach66Bum. A very common problem with the Gen.10’s is the overhead display to stop working. Before you go and buy a new unit from the Ford dealership, remove the unit and look at the printed circuit board. The most common thing that prevents the unit from working are the 510’s (as seen in pic) that come loose from the printed circuit board. 1. Enter self-test diagnostics by depressing the speed control OFF switch while turning the ignition key ON, making sure the engine does not start and is not running. The speed control indicator on the instrument panel will flash once to indicate that speed control module entered the diagnostic mode. Ford C-Max Window Won't Go Up or Down; Ford C-Max Rough Idle; Ford C-Max Radiator Fan Not Working; Ford C-Max Check Engine Light; Ford C-Max Shaking When Braking The head gasket can blow if your C-Max runs too long without coolant circulating through the engine. Signs of a bad head gasket include: Rough idle. Bad fuel mileage. Water in the oil. White smoke from the exhaust. A head gasket is a very costly and time-consuming repair. Hopefully, you’ve caught your bad thermostat before this happens. Here's how: 1) Find out if you're eligible for recalls 2) Check whether or not pressing harder will make any difference 3). If all else fails then give up hope 4) save some bucks 5). To Fix these problems takes very little time 6)) It’s worth learning so don't be shy. Pressing "entertainment" got navigation display, pressing "climate" got phone display, etc. Search CarComplaints.com for these popular complaint phrases The 2013 Ford C-Max Hybrid has 2 I'm having a problem with the information display. For the last 3 years at the sign of the first below zero temperature (it seems!) the information display has blanked out. Last year, when we had lots of snow, it started with no display when starting out but it gradually came on whilst driving. - The rear parking aid camera remains on the screen at speeds below 16 km/h (10 mph) (Figure 2) - Poor/no AppLink function - Apple CarPlay not launching on connection or a black screen when connected - Voice prompts that skip or have short pauses while directions are being provided - Sirius Travel Link™ not working properly with active t96s5.