User manual CHEVROLET AVALANCHE 2004

[. . . ] 2004 Chevrolet Avalanche Owner Manual Seats and Restraint Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] It works like a standard axle most of the time, but when one of the rear wheels has no traction and the other does, this feature will allow the wheel with traction to move the vehicle. Stabilitrak® System Your vehicle may be equipped with Stabilitrak® which combines antilock brake, traction and stability control systems and helps the driver maintain directional control of the vehicle in most driving conditions. When you first start your vehicle and begin to drive away, the system performs several diagnostic checks to insure there are no problems. You may hear or feel the system working. This is normal and does not mean there is a problem with your vehicle. The system should initialize before the vehicle reaches 20 mph (32 km/h). In some cases, it may take approximately two miles of driving before the system initializes. If the system fails to turn on or activate, the STABILITY SYS DISABLED or SERVICE STABILITY message will be displayed. If the vehicle has gone through heavy acceleration or braking or multiple turns during the first two miles of driving after starting your vehicle, the STABILITY SYS DISABLED message may appear. If this is the case, your vehicle does not need servicing. You will need to turn the vehicle off and then restart it to initialize Stabilitrak®. If either message appears on the Driver Information Center (DIC), and your vehicle hasn't gone through hard acceleration, braking or multiple turns in the first two miles of driving, your vehicle should be taken in for service. The STABILITY SYS ACTIVE message will appear on the Driver Information Center (DIC) only when the system is both on and activated. You may also feel or hear the system working; this is normal. For more information on the stability messages, see Driver Information Center (DIC) on page 3-49. 4-11 Stabilitrak® and part of the traction control system can be turned off or back on by pressing the Stabilitrak® button on the instrument panel. It is recommended to leave the system on for normal driving conditions, but it may be necessary to turn the system off if your vehicle is stuck in sand, mud, ice or snow, and you want to "rock" your vehicle to attempt to free it. It may also be necessary to turn off the system when driving in extreme off-road conditions where high wheel spin is required. See If You Are Stuck: In Sand, Mud, Ice or Snow on page 4-48. Traction Control Operation When the system is turned off, the traction off light will illuminate, and the STABILITY SYS DISABLED message will appear on the DIC to warn the driver that both the stability system and part of the traction control system are disabled. Your vehicle will still have brake-traction control when Stabilitrak® is off, but will not be able to use the engine speed management system. See "Traction Control Operation" next for more information. When the Stabilitrak® system has been turned off you may still hear system noises as a result of the brake-traction control coming on. The traction control system is part of the Stabilitrak® system. Traction control limits wheel spin by reducing engine power to the wheels (engine speed management) and by applying brakes to each individual wheel (brake-traction control) as necessary. The traction control system is enabled automatically when you start your vehicle, and it will activate and display the TRACTION ACTIVE message in the Driver Information Center (DIC) if it senses that any of the wheels are spinning or beginning to lose traction while driving. If you turn off Stabilitrak®, only the brake-traction control portion of traction control will work. [. . . ] 5-112 Service Parts Identification Label . . . . . . . . . . . . . . . . . . 5-113 Vehicle Personalization Memory Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-88 16 When to Add Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17 When to Change Engine Oil (GM Oil Life System) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]