I would guess that is for the "sport" mode. That is correct. If pushed it will hold what ever gear you are in to hold until you shift to another higher gear. It won't allow the transmission to shift.
The S button on top of the gear shifter stands for sport mode. it makes the car shift smother in faster take off
The "s" button is the sport mode, changes the shift points for better acceleration.
My '97 won't shift out of 1st gear when its cold (it will after it warms up). I found that pushing the "S" button will enable it to shift when cold. It has worked every time so far.
sports mode it supposeably changes the shifting points to make it accelerate faster
It doesn't have a reset button.
Under bonnet on n/s > red push down button.
sports mode, simply holds revs longer before changing to a higher gear.
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They had push-button start on all vehicles back in the 20s 30s 40s and 50s but you still had to insert and turn a key to the on position before pushing the starter button. But I assume you mean key-less ignition systems as we see on modern vehicles. Cadillac introduced this in 2007 on the CTS. Mercedes Benz was the first company to install this Siemens system in 1998 on the W220 S-Class.
The 2009 Cadillac Escalade is 6 ft. 7 in. (79 in.)1 subwoofer(s) wide.
The 2008 Cadillac Escalade is 6 ft. 7 in. (79 in.)1 subwoofer(s) wide.
The 2007 Cadillac SRX is 6 ft. 0.6 in. (72.6 in.)1 subwoofer(s) wide.