How to Detect a Tamper Condition
If 
is pressed and the horn sounds,
an attempted break-in has occurred while the system was armed.
If the alarm has been activated, the THEFT ATTEMPTED message will appear on the DIC. See Key and Lock Messages on page 5.29 for additional information.
See also:
Turn and Lane-Change Signals
An arrow on the instrument panel cluster flashes in the direction of the turn or lane change.
Move the lever all the way up or down to signal a turn.
Raise or lower the lever for less than one sec ...
Insuring the Vehicle
Protect your investment in the GM vehicle with comprehensive and collision insurance coverage. There are significant differences in the quality of coverage afforded by various insurance policy terms.
...
How the System Works
URPA comes on automatically when the shift lever is moved into R (Reverse). A single tone sounds to indicate the system is working.
URPA operates only at speeds less than 8 km/h (5 mph).
An obstacle ...