Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring System. If a diagnostics check is needed between e-mails, push 
, and an Advisor can run a check.
See also:
Passing
More passing distance is needed when towing a trailer. Because the rig is longer,
it is necessary to go farther beyond the passed vehicle before returning to the
lane. ...
Driving Impressions
The overriding thing that struck me was how small the Acadia feels when you
drive it. Make no mistake, this is a big vehicle, but it doesn't feel that way,
and that's a good thing. It's easy to ju ...
Setting Cruise Control
If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control switch off when cruise is not being used.
The cruise control light on the ...