GMC 2003 Sierra - Manual (Page 292)

If desifi^cl, you дзп change the TAS outomainc
engagement fealure so lhat tíie system will nol come on
automatically when the engine is started. To ele so;
1. Park the vehicle with the ignition ott and Ihe
transmission in PARK (P),
2- Turn the ignition to RUN; do not start the engine.
3. Apply the brake pedaL press the accelerator
pedal to the floor and (tien press Itie TAS on^oH
button and hold it down for al Jeasl six seconds.
4. Release the TAS button and both perdáis.
5. Turn off the ignition and wail a few seconds.
The next lime you atari your vehicle^ The tas will not
automatically ooms on. Vou can resiom the aulomatr'c
feature by using ihe same procedure. Wiiether (he TAS
IS sel ro come on autematically or not, угзу can always
turn the system on or oH by pressing the TAS on/off
button.
Manual Selectable Ride
The main function of this system is to provide sups nor
tide ciDJiifort whita trailering Or fully foadedn as well
as for unloaded driving. This system also helps
to provide;
• Improved traflering stabifify
• Improved handling response when fraifering or fully
loaded
RIDE CONTROL
FIRM
This button Is located on
the center of ihe
Inslfumgnt panel near the
radio. Press It to activate
the selectable ride
setting as desired. An
indicator fight near
the button will Illuminate
whenevar the system
Is active.
it is recommended lo use this system as (ollows:
* For optimum hde comfod in an unloaded vehicle
Ihe button should be out and Ihe Indicator light
will nol be illuminated. This switch position indicates
normal levels of ride conlrol Or damping.
• For optiimim ride comforf when frail's ring, fully
loaded, driving ott'road, or when personal
preferences demand more confnol the button should
be pressed In with the mdrostor tight illuminated.
This switch position indicates FIRM levels ot
rtde conffiol or damping.
The following guide can also be used lo help determine
the best setting.
4'11