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 would not be
covered by the vehicle's warranty. Some add-on electrical equipment can keep
other components from working as they should.
Add-on equipment can drain the vehicle's 12—volt battery, even if the vehicle is not operating.
The vehicle has an airbag system.
Before attempting to add anything electrical to the vehicle, see Servicing the Airbag-Equipped Vehicle and Adding Equipment to the Airbag-Equipped Vehicle.
See also:
License Plate Lamp
1. Remove the two screws holding each of the license plate lamps to the molding
that is part of the liftgate.
2. Twist and pull the license plate lamp assembly forward through the molding
openi ...
ELECTRONIC KEY ALREADY
KNOWN
If the vehicle has the keyless
access system, this message
displays if you try to match a
transmitter that has already been
learned. See the keyless access
information for Remote Keyless
E ...
Up-Shift Light
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 ligh ...