Suggested upshift 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.
For normal acceleration in low altitude areas [less than 4,000 ft (1,219 m)]:
![For quick acceleration in low altitude areas or in high altitude areas [over 4,000 ft (1,219 m)]:](images/books/627/5/index.61.jpg)
For quick acceleration in low altitude areas or in high altitude areas [over 4,000 ft (1,219 m)]:

See also:
Three-way catalyst
The three-way catalyst is an emission
control device installed in the exhaust
system. Exhaust gases in the three-way
catalyst are burned at high temperatures to
help reduce pollutants.
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Fuel Recommendation
Use unleaded premium gasoline with an octane rating of at least 91 AKI (Anti-Knock Index) number (Research octane number 96).
If unleaded premium gasoline is not available, you may use unleaded reg ...
