Glossary: O

Occupant Position Detection System

OPDS

The Occupant Position Detection System (OPDS) uses sensors to calculate passenger height and position. If a child should lean into the airbag deployment path, the sensor will prevent the side airbag from deploying and subsequently injuring the passenger.
Overdrive

OVERDRIVE

Overdrive is a term which describes a transmission gear that reduces the power output needed to maintain the driving speed, therefore improving fuel economy.