See also:

Engine block heater (if so equipped)
Engine block heaters are used to assist in cold temperature starting. The engine block heater should be used when the outside temperature is 208F (−78C) or lower. To use the engine block h ...

Engine oil and oil filter recommendations
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Controls
Controls 1. Fan control dial 2. Air recirculation button 3. Temperature control dial 4. Air conditioner button 5. Air flow control dial 6. Rear window defroster ...