...and touch it immediately, if need be.
I've got a 2001 Tahoe, and I was gonna do the ashtray trick, which really appeals to me. However, two things interfered:
1. The ashtray is a little bit too far out of the way to grab comfortable and quickly. Maybe just a hair.
2. It's 115 here in Phoenix, and I didn't want to spend a second more outside than absolutely necessary. I drilled two holes in a metal support that's hidden anyway, and slapped the prodigy in there.
Maybe when it cools off so that one can actually think while they're outside, I'll do some trick ashtray deal. Meanwhile, I'm like Mister Quick and Dirty.
At least as far as mounting the brake controller goes...