Has anyone had a problem with a 2007 pontiac Grand Prix Anti lock brakes.. Probelm being when brakes are applied during a slow speed stop and turning a corner the Check anti brakes message comes on and the check traction control message appears on the dash message screen.. both appear at once.. would love to know cause and what is required to repair... Thanks in advance...

Any time you get ANY MIL Lamps or Check Lamps
on the dash of any vehicle,it does not matter what the
problems may be

You never continue to drive for days or weeks or
just want the lights to go away

You can go to the parts store and have it checked
for codes.
Then what? Your not familair with OBD Vehicles
Systems or have the ability to do your own repairs

So you need to just go to a repair shop

You Have an ABS Braking System problem or
system failure somewhere.