Defrosting outside windshield with manual climate control system
The outside (fresh) air and air conditioning will be selected automatically.
When starting the vehicle in cold weather a more efficient way to heat the passenger compartment is to do the following.
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Turn off or lower the blower, right after starting the engine.
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Engine temperature is still low and the air flow from the heater is still cold.
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After a few minutes of engine warm up, turn on or set the fan to a higher level and with adjust the temperature setting to hot.
If the engine temperature is still cold after starting, then a brief engine warm up period may be required for the vented air flow to become warm or hot.