Aftermarket fuel additives
NISSAN does not recommend the use of any aftermarket fuel additives (for example, fuel injector cleaner, octane booster, intake valve deposit removers, etc.) which are sold commercially.
Many of these additives intended for gum, varnish or deposit removal may contain active solvent or similar ingredients that can be harmful to the fuel system and engine.
See also:
Special winter equipment
   It is recommended that the following items be 
carried in the vehicle during winter.
● A scraper and stiff-bristled brush to remove 
ice and snow from the windows and wiper 
blades.
● ...
   
Having the system learn the user’s
voice
   1. Press the SETTING button on the instrument
panel, select the “Others” key on the
display.
2. Select the “Voice Recognition” key.
3. Select the “Speaker Adaptation” key.
4. Select ...
   
Battery
   ● Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
● Make certain the terminal connections are
clean and securely tightened.
● ...
   
