Master warning light
Nissan Altima / Nissan Altima Owners Manual / Instruments and controls / Warning/indicator lights and audible reminders / Warning lights / Master warning light

When the ignition is in the ON position, the master warning light illuminates if any of the following are displayed on the vehicle information display.
● No key warning
● Low fuel warning
● Low windshield-washer fluid warning
● Parking brake release warning
● Door/trunk open warning
● Loose fuel cap
● Check tire pressure warning
See also:
Engine
This spark ignition system complies with the Canadian standard ICES-002. ...
Engine oil and oil filter recommendations
...
Fuel recommendation
Use unleaded regular gasoline with an octane
rating of at least 87 AKI (Anti-Knock Index) number
(Research octane number 91).
CAUTION
● Using a fuel other than that specified
could adversel ...
