Replacing Brake System PartsThe braking system on a vehicle is complex. Its manyparts have to be of top quality and work well together ifthe vehicle is to have really good braking. Your vehiclewas designed and tested with top-quality GM brake parts.When you replace parts of your braking system — forexample, when your brake linings wear down and youneed new ones put in — be sure you get new approvedGM replacement parts. If you do not, your brakes may nolonger work properly. For example, if someone puts inbrake linings that are wrong for your vehicle, the balancebetween your front and rear brakes can change — for theworse. The braking performance you have come toexpect can change in many other ways if someone putsin the wrong replacement brake parts.BatteryYour vehicle has a maintenance free battery. Whenit is time for a new battery, get one that has thereplacement number shown on the original battery’slabel. We recommend an ACDelco® replacementbattery. See Engine Compartment Overview onpage 5-12 for battery location.Warning: Battery posts, terminals, and relatedaccessories contain lead and lead compounds,chemicals known to the State of California to causecancer and reproductive harm. Wash hands afterhandling.{CAUTION:Batteries have acid that can burn you andgas that can explode. You can be badly hurtif you are not careful. See Jump Starting onpage 5-42 for tips on working around a batterywithout getting hurt.After a power loss, such as disconnecting the batteryor removing the maxi fuses in the power distributionfuse block, the following steps must be performedto calibrate the electronic throttle control. If this is notdone, the engine will not run properly.1. Turn the ignition key to ON. Do not start the engine.2. Leave the ignition in ON for at least three minutesso that the electronic throttle control will cycle andre-learn its home position.3. Turn the ignition to OFF.4. Start and run the engine for at least30 seconds.5-41
