Antifreeze

In the winter when it is anticipated that the outside temperature will drop below 32°F (08C), check antifreeze to assure proper winter protection. For additional information, see “Engine cooling system”.
See also:
Octane rating tips
Using unleaded gasoline with an octane rating lower than recommended above can cause persistent, heavy spark knock.
(Spark knock is a metallic rapping noise.) If severe, this can lead to engine damag ...
Radar maintenance
The two radar sensors for the BSW, BSI and BCI systems are located near the rear bumper. Always keep the area near the radar sensors clean.
The radar sensors may be blocked by temporary ambient con ...
Infiniti Drive
The M's throttle sensitivity and transmission mapping are fine tuned
according to which of four driver-selectable modes is engaged via a switch
positioned behind the gear lever: Standard, Eco, Spo ...
