For 1990-2009 cars

# OnStar Vehicles - Voice Recognition Inoperative - keywords analog celleular communication digital intermittent UE1 vs3bcu vs3bgen2 vs3bgen3 vs3bgen4 vs3bgen5 vs3bgen6 vs3bgen7

Subject: | OnStar Vehicles - Voice Recognition Inoperative

Models: | 2000-2005 Buick Century, LeSabre, Park Avenue, Regal

| 2005-2007 Buick Allure (Canada Only), LaCrosse, Terraza

| 2006-2007 Buick Lucerne

| 2002-2007 Buick Rendezvous

| 1999-2001 Cadillac Catera,

| 1999-2007 Cadillac Deville, Escalade Models, Seville

| 2003-2007 Cadillac CTS

| 1999-2002 Cadillac Eldorado

| 2004-2007 Cadillac SRX, XLR

| 2005-2007 Cadillac STS

| 2002-2007 Chevrolet Avalanche, Cavalier, Corvette, Impala,

| 2002-2007 Chevrolet Monte Carlo, Suburban, Tahoe, Trailblazer

| 2002-2005 Chevrolet Blazer, Venture

| 2005-2007 Chevrolet Cobalt, Equinox, Uplander

| 2004-2007 Chevrolet Colorado, Malibu/Maxx

| 2003-2006 Chevrolet SSR

| 2000-2007 GMC Savana, Sierra, Yukon Models

| 2005-2007 GMC Canyon

| 2002-2007 GMC Envoy and Envoy XUV

| 2002-2005 GMC Jimmy

| 2000-2004 Oldsmobile Alero, Bravada, Silhouette

| 2001-2003 Oldsmobile Aurora

| 2000-2003 Oldsmobile Intrigue

| 2001-2007 Pontiac Bonneville, Grand Prix, Sunfire and Vibe

| 2001-2005 Pontiac Aztek, Grand AM, Montana

| 2005-2007 Pontiac G6, Montana SV6

| 2004-2006 Pontiac GTO

| 2005-2007 2006 Pontiac Pursuit

| 2007 Pontiac G5

| 2006-2007Pontiac Solstice

| 2005-2007 Saab 9-7x

| 2004-2007 Saturn Ion and Vue

| 2005-2007 Saturn Relay

| 2003-2007 HUMMER H2

| 2007 HUMMER H3

This PI was superseded to add 07 MY and change the contact group within the OnStar call center. Please discard PIC3011C.

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

### Condition/Concern:

When using the OnStar voice recognition dialing, some numbers and/or commands may not be understood by the system, especially the number two (2).

### Recommendation/Instructions:

If the OnStar system properly responds to any command, the hardware is assumed to be good and the customer should be directed to the description and operational characteristics published in Service Information (SI) and the Owners Manual. They may also be directed to contact OnStar and be connected with Onstar customer care for assistance with system operation and tips.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.