Side airbags became standard on 2007 models and the curtain airbags gained a rollover sensor that year as well.
The curtain airbags deploy in case of a side impact, and will also deploy if a rollover accident is detected.
For 2008 models side curtain airbags became standard but the Trailblazer gets a Marginal overall side impact rating regardless of airbag configuration.
The car was penalised 1 point in the pole test for improper deployment of the curtain airbag in both the original test and the re-test.
Other enhancements include choices of a five-speed automatic transmission with sequential shift and curtain airbags.
StabiliTrak and side curtain airbags are optional on certain trim levels.
CDXi: versions added eight-way power-adjustable front seats, climate control air conditioning and curtain airbags.
Its recent safety campaign drew attention to life-saving in-car technologies, such as Electronic Stability Control and curtain airbags.
Unlike most other competitors in its class, curtain airbags and electronic stability control were not available.
ANCAP later tested the hybrid variant fitted with additional side and curtain airbags.