See also:

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. ...

Fuel
Use of a fuel which is low in quality or use of an inappropriate fuel additive may cause engine damage. ...

Examples of the types of accidents in which the SRS curtain airbag will most likely deploy.
1) A severe side impact near the front seat or the rear seat activates the SRS curtain airbag. 2) The vehicle rolls onto its side or the roof. 3) If the angle of vehicle tip-up is marginal o ...