All gasoline sold in the United States is required to contain effective detergent additives. Use of additional detergents or other additives is not needed under normal conditions and would result in additional cost. Therefore you should not have to add anything to the fuel.
See also:
Hazard Warning Flashers
The Hazard Warning flasher switch is located on the instrument panel below the
radio.
Press the switch to turn on the Hazard Warning flashers. When the switch is activated,
all directional turn ...
Seat belts not fastened
(red)
The warning light on the dial turns on glowing steadily with vehicle stationary
and driver’s or passenger’s seat belt not fastened correctly.
The warning light will turn on flashing when, ...
Downshifting
Proper downshifting will improve fuel economy and prolong engine life.
CAUTION!
If you skip more than one gear while downshifting or downshift at too high
a vehicle speed, you could damage the en ...