Current and Past Models
Technical Service Bulletins and Manuals are available for current and past model GM vehicles.
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1-800-551-4123 Monday – Friday 8:00 AM – 6:00 PM Eastern Time
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Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.
All listed prices are quoted in U.S.
funds. Make checks payable in U.S. funds.
See also:
Touch-Sensitive Screen Buttons
Touch-sensitive screen buttons are located on the screen. When a screen button
has been selected, a beep sounds. Screen buttons are highlighted when a feature
is available. ...
Maintenance Records
After the scheduled services are performed, record the date, odometer
reading, who performed the service, and the type of services performed in the
boxes provided. Retain all maintenance receipts.
...
Interior
The DTS can hold either five or six occupants, with a choice of front bucket
seats or a front bench. Compared with the DeVille, the instrument panel has been
lowered and moved forward. A new analo ...