Adjusting the four-way lumbarsupport

You can adjust the contour of the driver's seat backrests individually to provide optimum support for your back. 1 To raise the backrest contour 2 To soften the backrest contour 3 To lower the ...

Switching on/off

The three red indicator lamps in the button indicate the heating level you have selected. If the battery voltage is too low, the seat heating may switch off. One or more of the indicator lamp ...

See also:

Tire Pressure for High-Speed Operation
WARNING Driving at high speeds, 160 km/h (100 mph) or higher, puts an additional strain on tires. Sustained high-speed driving causes excessive heat buildup and can cause sudden tire failure. Y ...

Extra features
There are more features available than can be displayed at one time. This menu allows the selected features to be displayed, for example: • Ambient lighting: While the headlamps are turned on, se ...

Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will be download ...