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

For Credit Card Orders Only (VISA-MasterCard-Discover), visit Helm, Inc. at: www.helminc.com.
Or write to:
Helm, Incorporated
P.O. Box 07130
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Prices are subject to change without notice and without incurring obligation. Allow ample time for delivery.

All listed prices are quoted in U.S.

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    See also:

    Compact Dimensions
    The Verano measures a smidge larger than the Cruze, with which it shares the same wheelbase. The Buick's footprint falls between the shrink-wrapped Lexus IS 250 and larger Acura TSX, but its styli ...

    Pairing a Phone
    1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. Say “Bluetooth”. The system responds with “Bluetooth ready” followed by a tone. 3. Say ...

    Using this Manual
    To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found. ...