OnStar

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Conversions and Add-Ons
Add-On Electrical Equipment Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage w ...

Boost Gauge
Metric English For the CTS-V, this gauge is located in the instrument panel cluster. This gauge indicates positive manifold pressure, which is the induction air pressure level in the in ...

Problems with Route Guidance
Inappropriate route guidance may occur under one or more of the following conditions: You have not turned onto the road indicated. Route guidance may not be available when using automatic rerout ...