How To Set

Starts on board self - diagnosis STEP 5 mode (Each sensor recognition temperature check; "51" or "52" is indicated on front A/C control display).
Press fan switch (up: +) twice and check that "7" is indicated on front A/C control display.
After approximately 3 seconds, the exhaust gas/outside odor detecting sensor sensitivity adjustment function can be available.

Press temperature control switch (driver side) to select the setting as per the following.

Display	Setting
75	More sensitive setting than display 74 setting (the change to REC is earlier than display 74 operation)
74	More sensitive setting than normal setting (the change to REC is earlier than normal operation)
73	Normal (Initial setting)
72	Less sensitive setting than normal setting (the change to REC is later than normal operation)
71	Less sensitive setting than display 72 setting (the change to REC is later than display 72 operation)

NOTE:

When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10 V or less, the setting of the exhaust gas/outside odor detecting sensor sensitivity adjustment function may be cancelled.