Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody.
Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop.
See also:
Battery Replacement
Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in
the DIC. See “REPLACE BATTERY IN REMOTE KEY” under Key and Lock Messages for additional information.
Notice: ...
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 interfer ...
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 inf ...