1997 Pontiac Firebird Owner's Manual - Page 293

Hold the wiper blade assembly one hand and with hand. pull the element gently with the other three plastic caps (Replacement blade elements have Do which retain two metal flexor strips. not remove is these caps before the element installed.) To check the aim, the vehicle should be properly prepared as follows: a The vehicle must havea11 four tires on a! perfectly level surface. The vehicle should not have any snow, or mud ice attached tu it. There should notbe any 'cargoor loading of the vehicle, exceptit should havea full tank of gas and one person or 160 lbs. (75 kg) on the driver's seat. 3. At the heel endof the bladeassembly, notched end of blade element last, slide the blade element into the blade claw sets. plastic retainer caps will be The forced off as the element is fully inserted. Make sure that all the claw sets properly engaged in are the slots of the blade element. e 4. Install wiper blade assembly on wiper arm. Tires should be properly inflated. The horizontal indicator shouldread "0." For informationon windshield wiper blade replacement type and length, see "Capacities and Specifications" in the Index. NOTICE: To make sure your headlamps are aimed properly, readall the instructions before beginning. Failure to follow th'eseinstructions could cause damage to headlamp parts. Headlamp Aiming Your vehicle has the headlamp system. These headlamps have horizontal and vertical aim indicators. The aim has been pre-set at the factory and should need no further adjustment. If your vehicle is damaged in a accident and the n State inspectionstations will allow a vertical readingof headlamp aim seems to beaffected, see your Pontiac plus 0.76 degrees or minus 0.76 degrees fr0m the center dealer. Headlmps ondamaged vehicles may require of the bubble. recalibration of the horizontal aim by your Pontiac dealer. 6-48