Haven't tested this yet, but on most cars/trucks, turning the key 2 to sometimes 8 times disarms the alarm. As well as unlocks all doors versus just the driver.
A Chrysler T&C I worked on was clockwise 8 times to disarm.
Dodge Dakota R/T 360ci Small-block _sold_
Jeep GC 5.7L Hemi- Magnaflow Cat-Back, BT Catch Can, 20" Gloss black SRT Reps
275/45R20 Nexen Roadian, Blacked out, 180 Stat _SOLD_
2008 335i Twin-Turbo