Materials Added To Fuel
All gasoline sold in the United States is required to contain effective detergent additives. Use of additional detergents or other additives are not needed under normal conditions and would result in additional cost.
Therefore you should not have to add anything to the fuel.
See also:
Extreme Cold Weather (Below –20°F Or –29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (available
from your authorized dealer) is recommended. ...
Cooling System
To reduce potential for engine and transmission overheating,
take the following actions:
− City Driving
When stopped for short periods of time, shift the transmission
into NEUTRAL and incr ...
TIME Button
Press the TIME button to alternate display of the time and radio frequency. ...