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 vehicle is equipped with the Tire Pressure Monitoring
System. If a diagnostics check is needed between e-mails, push
, and an Advisor can run a check.
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.
The battery is not rechargeable. T ...
Vehicle Load Limits
It is very important to know how much weight the vehicle can carry. This weight is called the vehicle capacity weight and includes the weight of all occupants, cargo and all nonfactory-installed optio ...
Climate and Air Quality
If equipped, select the Climate and Air Quality menu and the following may be
displayed:
Auto Fan Speed
Remote Start Auto Heat Seats
Auto Defog
Auto Rear Defog
Auto Fan Speed
This will ...
