Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    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 ...

    Power Steering Fluid
    See Engine Compartment Overview for the location of the power steering fluid reservoir. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless ...

    Setting the Power Liftgate 3/4 Mode
    To change the liftgate stop position. 1. Turn the liftgate switch to either the MAX, or the 3/4 mode position and power open the liftgate. 2. Stop the liftgate movement at the desired height by p ...