For cars built before 1/1/98
The fuse is located in the interior fuse box, which is under the driver's side dash. The fuse is labeled "RADIO/CLOCK/ACCY PWR OUTLET" and is a red, 20 amp fuse.
For cars built on or after 1/1/98
The fuse is located in the engine compartment fuse box, which is near the battery. The fuse is labeled "ALARM" and is a blue, 10 amp fuse.