COMAND(R) - 'Drive Unavailable, Temp. Too High' Message The "Drive Unavailable, Temp. Too High" message on your COMAND system indicates that your vehicle's transmission temperature is too high and needs to cool down before it can be used again. This can be caused by a number of factors, including towing a heavy load, driving in high temperatures or stop-and-go traffic, or a malfunctioning cooling system. Here are some steps you can take to address this issue: Pull over and turn off the engine: If you receive this message while driving, pull over to a safe location and turn off the engine. Allow the vehicle to cool down for at least 30 minutes before attempting to drive it again. Check the coolant level: If your vehicle's coolant level is low, it can cause the engine to overheat and trigger the "Drive Unavailable, Temp. Too High" message. Check the coolant level and add more if necessary. Inspect the cooling system: The cooling system co...
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