Suggested up-shift speeds
Nissan Sentra / Nissan Sentra Owners Manual / Starting and driving / Driving the vehicle / Manual transmission (if so equipped) / Suggested up-shift speeds
The following are suggested vehicle speeds for shifting into a higher gear. These suggestions relate to fuel economy and vehicle performance. Actual upshift speeds will vary according to road conditions, the weather and individual driving habits.

See also:
Oil viscosity
The engine oil viscosity or thickness changes
with temperature. Because of this, it is important
to select the engine oil viscosity based on the
temperatures at which the vehicle will be operate ...
Battery replacement
CAUTION:
Be careful not to allow children to swallow
the battery or removed parts.
...
Interior lights
Do not use for extended periods of time
with the engine stopped. This could
result in a discharged battery. ...
