There are 3 stages
locate the obd plug and find pin 8 then
turn ignition to pos 2
with a fused wire ( a piece of wire with a fuse in it)
ground pin 8 for 4-5 seconds
turn ignition off
repeat this procedure 2 more times but for 8-12 seconds and then the service indicator will be reset.
Tag: procedure
Oil service reset Bravada
2002-2004
Turn the ignition to run (one position before starting engine).
Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. If the CHANGE ENG OIL light flashes for 5 seconds, the system is reset. If the light does not flash, repeat the procedure.
Turn the ignition off and then start the engine to verify the indicator has been reset.
Oil service reset Alero
1999-2003
Turn the ignition to run (one position before starting engine).
Push the RESET button located in the drivers instrument panel fuse block. The CHANGE OIL light will start to flash.
Press and hold the RESET button again. The reset is complete when you hear the chimes and the CHANGE OIL light goes out.
Turn the ignition off and then start the engine to verify the indicator has been reset.
2004
Turn the ignition to run (one position before starting engine).
Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. The reset is complete when the chimes sound and the CHANGE OIL lamp goes out. If the lamp stays on and and no chime is heard, repeat the reset procedure.
Turn the ignition off and then start the engine to verify the indicator has been reset.