Up-Shift Light

The vehicle may have an up-shift

The vehicle may have an up-shift light. It indicates when to shift to the next higher gear for best fuel economy.

See Manual Transmission for more information.

For the CTS-V, the tracer lights function as a performance up-shift light.

The tracers flash to indicate when to shift to the next higher gear to avoid the engine speed limit.

See Automatic Transmission or Manual Transmission for more information.

    See also:

    Lamp Messages
    AFL (ADAPTIVE FORWARD LIGHTING) LAMPS NEED SERVICE This message displays when the Adaptive Forward Lighting (AFL) system is disabled and needs service. See your dealer. See Adaptive Forwa ...

    Tire Designations
    Tire Size The example shows a typical passenger vehicle tire size. Passenger (P-Metric) Tire (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter ...

    Vehicle and Power Issues
    OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...