
For vehicles with the Tow/Haul Mode feature, this light comes on when the Tow/Haul Mode has been activated.
See Tow/Haul Mode.
Antilock Brake System (ABS) Warning Light
Lane Keep Assist (LKA) LightData Link Communications Description and Operation
Note:This is an overview of different serial data buses used by GM devices to communicatewith each others. UseData Communication Schematicsto find out which serial data buses are configured for a specific vehicle.Circuit DescriptionThere are many components in a vehicle that rely on information from ...