2009 GMC Sierra 1500 Crew Cab Owner's Manual - Page 455

Brake Pedal Travel See your dealer/retailer if the brake pedal does not return to normal height, or if there is a rapid increase in pedal travel. This could be a sign that brake service might be required. Battery If the vehicle is a Two-mode Hybrid, see the Two-mode Hybrid manual for more information. This vehicle has a maintenance free battery (or batteries). When it is time for a new battery, see your dealer/retailer for one that has the replacement number shown on the original battery's label. See Engine Compartment Overview on page 5-16 for battery location. Warning: Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling. Brake Adjustment Every brake stop, the brakes adjust for wear. Replacing Brake System Parts The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if the vehicle is to have really good braking. The vehicle was designed and tested with top-quality brake parts. When parts of the braking system are replaced - for example, when the brake linings wear down and new ones are installed - be sure to get new approved replacement parts. If this is not done, the brakes might not work properly. For example, if someone puts in brake linings that are wrong for the vehicle, the balance between the front and rear brakes can change - for the worse. The braking performance expected can change in many other ways if the wrong replacement brake parts are installed. 5-45