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Take the <strong>Opel</strong> <strong>Astra</strong> out onto the road and you’ll find a reassuring new sense of<br />
control. The reason is <strong>Opel</strong>’s benchmark-setting Interactive Driving System (IDS).<br />
This synchronises steering, suspension and braking. Of course you won’t be<br />
physically aware of its integrating functions such as Anti-lock Braking System (ABS),<br />
Understeer Control Logic (UCL) and the Electronic Stability Program Plus (ESP ®Plus ),<br />
but you’ll certainly notice how more relaxed and secure you feel about driving under<br />
any conditions.<br />
The principal components of the IDS chassis are:<br />
Electronic Stability Program Plus (ESP ®Plus ) with integrated Traction Control, which<br />
stabilises the vehicle by carefully braking up to 3 wheels.<br />
Understeer Control Logic (UCL) is also a feature which selectively brakes when the<br />
vehicle understeers.<br />
The brake system works with improved electronically controlled Anti-lock Braking<br />
System (ABS), Emergency Brake Assist and Cornering Brake Control (CBC).<br />
Electronic Stability Program Plus<br />
(ESP ®Plus ). Controlled brake intervention<br />
on up to 3 wheels counteracts even<br />
extreme understeering (such as sudden<br />
avoidance movements) to maintain<br />
full control over the vehicle.<br />
IDS Plus . The IDS Plus chassis has all the<br />
features of IDS, but also has Continuous<br />
Damping Control (CDC). With this, sensors<br />
monitor changes in the vehicle dynamics<br />
and continually adjust the suspension for<br />
optimum handling and road holding.<br />
The SportSwitch is available with<br />
Sport chassis and IDS Plus . This creates<br />
extra sporting zest by providing a more<br />
responsive and tauter handling. The<br />
result is like having two cars in one.<br />
23<br />
Driving Dynamics
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