2001 GMC SIERRA alarm

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Page 94 of 468

GMC SIERRA 2001  Owners Manual 2-11
LOCK: Pressing this button once will lock all of the
doors. Press LOCK again within three seconds and the
horn will chirp.
Operating the keyless entry transmitter may interact
with the theft
-det

Page 99 of 468

GMC SIERRA 2001  Owners Manual 2-16
Content Theft-Deterrent 
(If Equipped)
Your vehicle may be equipped with a Content
Theft
-Deterrent alarm system.
With this system, the
SECURITY message will
flash as you open the door
(if your i

Page 100 of 468

GMC SIERRA 2001  Owners Manual 2-17
Testing the Alarm
The alarm can be tested by following these steps:
1. From inside the vehicle, lower the drivers window
and open the drivers door.
2. Activate the system by locking the doors w

Page 167 of 468

GMC SIERRA 2001  Owners Manual 2-84
Warning Lights, Gages 
and Indicators
This part describes the warning lights and gages that
may be on your vehicle. The pictures will help you
locate them.
Warning lights and gages can signal tha