On the older 'tiny screen' models the speed limit data is pulled from the map SD card so even when you're in the 'radio quiet zone' in West Virginia, you can still tell how f@#$#^ you are if a cop pulls you over :P
PS: Green Bank Observatory in West Virginia is 100% worth the 2+ hours without...
If Cadillac had a reputation as being Grandpa's car and it took 20+ years to change that, Buick will probably need double that time if they want to break into the younger performance-oriented market. Buick is about the last US brand you'd associate with exciting.
That is how you're supposed to do it, but there is a warning in the manual about hard driving with traction control disabled. At Spring Mountain the instructors said GM engineers also told them the same thing. GM engineers recommended leaving the cars in Race 2 and not fully disabling TC.
Snow/ice is the most proactive intervention the computers can provide. It also limits throttle response and torque to limit the wheel slip as much as possible. You get shown this at Spring Mountain.
Someone laid it out in another thread: Asking for rectangular tips like OEM would require additional expensive tooling and each tip would have to be a different shape making that cost even more. Add to this that there just aren't that many Blackwings and even fewer people who would be up for an...
OK maybe you shouldn't be offering to connect things to your car or you need to re-read the manual a few more times. But in case you really really really want to do it: red cable goes to #7 (after you remove the red plastic cover), and black goes to #9. Connections happen at the end of lines 7...
Per the manual, 9 points at the negative terminal you are meant to use for jump starts and trickle charging.
On the 2025 CT4 manual, this is at pages 298-299.
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