The best replacement for onstar is aaa.

The best alternatives to onstar are rated as following:
★★★★★  aaa
★★★★  lojack
★★  sync
★★  uconnect
★  ford sync
★  mbrace
★  bmw assist
★  blue link
★  navigation
★  caa
  safety connect
  toyota safety connect
  portable gps
  bluelink
  mylink
  aaa which is better
  triple a
  onstar fmv
  lexus enform

Your alternative for onstar is not listed? Suggest!
Speaking about onstar, one probably shouldn't forget about verizon.

Other search terms related to onstar and their ratings are:
★★★★★ verizon
★★★ bluetooth
★★★ aftermarket radio
★★★ aftermarket stereo
★★ backup camera
★★ verizon wireless
★ remote start
gm
bose interface for radio replacement
You have in mind a companion for onstar and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of onstar in all years. Click on graph for more.
onstar
aaa
lojack