Chevrolet 2004 Avalanche Specifications download pdf (Page 229)

STABILITY SYS ACTIVE

You may see the STABILITY SYS ACTIVE message on

the DIC. It means that an advanced computer-controlled

system has come on to help your vehicle continue to go

in the direction in which you’re steering.

Stabilitrak

activates when the computer senses that

your vehicle is just starting to spin, as it might if you hit a

patch of ice or other slippery spot on the road. When the

system activates, you may hear a noise or feel a vibration

in the brake pedal. This is normal. When the STABILITY

SYS ACTIVE message is on, you should continue to

steer in the direction you want to go. The system is

designed to help you in bad weather or other difficult

driving situations by making the most of whatever road

conditions will permit.

SERVICE STABILITY

If you ever see the SERVICE STABILITY message, it

means there may be a problem with your

Stabilitrak

system. If you see this message try to reset

the system (stop; turn off the engine; then start the

engine again). If the SERVICE STABILITY message still

comes on, it means there is a problem. You should

see your dealer for service. The vehicle is safe to drive,

however, you do not have the beneﬁt of Stabilitrak

so reduce your speed and drive accordingly.

STABILITY SYS DISABLED

The STABILITY SYS DISABLED message will turn on

when you press the Stabilitrak

button, or when the

stability control has been automatically disabled. To limit

wheel spin and realize the full beneﬁts of the stability

enhancement system, you should normally leave

Stabilitrak

on. However, you should turn Stabilitrak

off

if your vehicle gets stuck in sand, mud, ice or snow

and you want to “rock” your vehicle to attempt to free it,

or if you are driving in extreme off-road conditions

and require more wheel spin. See If You Are Stuck: In

Sand, Mud, Ice or Snow on page 4-48. To turn the

Stabilitrak

system back on, press the Stabilitrak

button

again. There are four conditions that can cause this

message to appear. One condition is overheating, which

could occur if Stabilitrak

activates continuously for

an extended period of time. The message will also be

displayed if the brake system warning light is on.

See Brake System Warning Light on page 3-37. The

message could be displayed if the stability system takes

longer than usual to complete its diagnostic checks

due to driving conditions. Also, if an engine or vehicle

related problem has been detected, and the vehicle

needs service, the message will appear.

The message will turn off as soon as the conditions that

caused the message to be displayed are no longer

present.

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Chevrolet 2004 Avalanche Specifications Page 229

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