Chevrolet 2010 HHR Owner's Manual page 132

To turn off the system alarm, do one of the following:
Press the lock button on the RKE transmitter.
The system will then re-arm itself.
Press the unlock button on the RKE transmitter.
This will also disarm the system.
Insert the key in the ignition and turn it on. This
will also disarm the system.
The content theft security system alarm was previously
activated if three chirps sound when you press the lock
or unlock buttons on the RKE transmitter.
See
for information regarding Part 15 of the Federal
Communications Commission (FCC) Rules and
RSS-210/211 of Industry Canada.
3-20
Your vehicle has PASS-Key
Automotive Security System) theft-deterrent system.
®
PASS-Key III+ is a passive theft-deterrent system.
The system is automatically armed when the key is
removed from the ignition.
You do not have to manually arm or disarm the system.
The security light will come on if there is a problem with
arming or disarming the theft-deterrent system.
®
When the PASS-Key III+ system senses that someone
is using the wrong key, it prevents the vehicle from
starting. Anyone using a trial-and-error method to start
the vehicle will be discouraged because of the high
number of electrical key codes.
When trying to start the vehicle if the engine does not
start and the security light comes on, there may be a
problem with your theft-deterrent system. Turn the
ignition off and try again.
®
III+ (Personalized