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SAFETY | 7 out of 10
Brakes on the STS are up to the car's potential
Stability control "among the least intrusive of its kind
Car and Driver
the only to benefit...are those who shouldn't be on the road
The 2008 Cadillac STS does reasonably well in front-crash tests, though scores are lower than might be expected. It also has the expected safety gear—but some safety options annoy reviewers from around the Web.
In tests by the Insurance Institute for Highway Safety (IIHS), the 2008 Cadillac STS's performance in frontal-offset crashes earned it the highest score of "good"; however, it only received an "acceptable" rating in side-impact tests, which pulls its safety score down a bit. The National Highway Traffic Safety Administration (NHTSA) gave the STS four of five stars for front-impact protection and for front seat side impact protection, as well as top marks of five stars for backseat side impact protection and rollover resistance.
Aside from the usual full complement of airbags and anti-lock brakes, this year's STS offers a Lane Departure Warning that is activated by a small camera located between the rearview mirror and the windshield as well as a Side Blind Zone Alert feature. Car and Driver finds both of these annoying, as they tend to activate at the drop of a hat (but the lane-departure feature doesn't sound off until the car is "almost on the lane lines"). However, these Cadillac STS features can be deactivated if the driver so chooses.
Automotive.com praises OnStar, which is standard on all versions; if airbags deploy and there is no response to calls, the OnStar operators will contact nearby paramedics.
If the buyer opts for the Cadillac STS V-8 with all-wheel drive, adaptive cruise control and "enhanced StabiliTrak with active steering" can be ordered for an extra $2,690, according to Cars.com.
The 2008 Cadillac STS’s crash-test scores are somewhat lower than expected.