Oldsmobile 1999 Aurora - Manual (Page 274)

yellow blue
6-36
NOTICE:
To make sure your headlamps are aimed
properly, read all the instructions before
beginning. Failure to follow these instructions
could cause damage to headlamp parts.
The vehicle should be properly prepared as follows:
D The vehicle must have all four tires on a perfectly
level surface.
D If necessary, pads may be used on an uneven surface.
D The vehicle should not have any snow, ice or mud
attached to it.
D The vehicle should be fully assembled and all other
work stopped while headlamp aiming is being done.
D There should not be any cargo or loading of the
vehicle, except it should have a full tank of fuel and
one person or 160 lbs. (75 kg) on the driver’s seat.
D Close all doors.
D Tires should be properly inflated.
D Rock the vehicle to stabilize the suspension.
The headlamp aiming devices are under the hood near
the headlamps.
Start with the horizontal aim. The adjustment screws can
be turned with an E8 Torx
R
socket or T15 Torx
screwdriver.
Once the horizontal aim is adjusted, then adjust the
vertical aim.