ACCESSORY MODE ACTIVE
If the vehicle has the keyless access system, this message displays when the accessory mode is active. See Ignition Positions (Key Access) or Ignition Positions (Keyless Access) for more information.
See also:
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
Tire Messages
SERVICE TIRE MONITOR SYSTEM
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays
if a part on the TPMS is not working properly. The tire pressure light also flashes
and ...
Repair Facility
GM also recommends that you choose a collision repair facility that meets your
needs before you ever need collision repairs. Your dealer may have a collision repair
center with GM-trained technici ...