Recommended shifting speeds
The best compromise between fuel economy and vehicle performance during normal driving is ensured by shifting up at the speeds listed in the following table.

See also:
Brake booster
The brake booster uses engine manifold
vacuum to assist braking force. Do not
turn off the engine while driving because
that will turn off the brake booster, resulting
in poor braking power.
...
Fuel economy hints
The following suggestions will help to save fuel.
• Select the proper gear position for the speed and road conditions.
• Avoid sudden acceleration or deceleration.
Always accelerate gently until yo ...
Flat tires
If you have a flat tire while driving, never brake suddenly; keep driving straight ahead while gradually reducing speed.
Then slowly pull off the road to a safe place. ...
