For 1990-2009 cars

# Onstar TBT (Turn by Turn) and Digit Dispays Location keywords call cellular comunication data digit digital hud information operation radio unable turn use

Subject: | OnStar® TBT (Turn by Turn) and digit displays location

Models: | 2006 - 2009 Buick Lucerne

| 2007 Buick Rainier, Rendezvous and Terraza

| 2006 - 2009 Cadillac DTS and STS

| 2009 Cadillac SRX and XLR

| 2009 Cadillac CTS

| 2007 - 2009 Cadillac Escalade (All)

| 2006 - 2009 Chevrolet Impala

| 2007 Chevrolet Monte Carlo

| 2007 - 2009 Chevrolet Avalanche, Cobalt, Corvette, Colorado, Equinox, HHR, Malibu, Silverado, Suburban, Tahoe and Trailblazer (All)

| 2007 - 2008 Chevrolet Uplander

| 2007 - 2009 GMC Acadia, Seirra, Yukon and Yukon Denali

| 2007 - 2009 Hummer H3

| 2008 - 2009 Hummer H2

| 2007 - 2009 Pontiac G5, G6, Solstice and Torrent

| 2007 Pontiac Montana SV6

| 2007 - 2008 Pontiac Grand Prix

| 2008 - 2009 Pontiac G8

| 2007 - 2009 Saab 9-7x

| 2007 Saturn ION, Relay

| 2007 - 2009 Saturn Aura, Outlook and Sky

| 2008 - 2009 Saturn VUE

This PI was superceded to update model year information and consolidate with PIC4461 information. Please discard PIC4510.

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

### Condition/Concern:

Customers may inquire as to where the OnStar® Turn by Turn (TBT) and digit displays should be located on their vehcle.

### Recommendation/Instructions:

Dealers should first confirm the vehicle is equipped with OnStar® generation 7.0 or above. Then refer to the compatibility list below.

Note: Some customers may report after VCIM replacement the TBT display message has moved locations (i/e radio display or DIC). If this occurs it is important for the dealer technician to verify the correct vehicle build, RPO codes and or radio selection had been made during Tech2 VCIM set up.

Vehicle | Vehicle MY | Radio RPO | Turn-By-Turn Interface | Normal OnStar Displays
|  |  | Display Type | Audio | Display Type
|  |  | Radio | DIC | HUD | Mono-mix(soft mute) | Mono(hard mute) | Radio | DIC | HUD
Acadia | 2007 - 2008 | US8, US9, UVA | Y | N | n/a | Y | N | Y | N | n/a
2009 | US8, US9, UVA | Y | N | n/a | N | Y | N | Y | n/a
| 2007 - 2009 | U3R, UZR | N | Y | n/a | N | Y | N | Y | n/a
AURA | 2007 - 2009 | US8, US9 | Y | N | n/a | N | Y | Y | N | n/a
Avalanche | 2007 -2009 | UVA, US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U, UVB | N | Y | n/a | N | Y | N | Y | n/a
Cobalt | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
US8, US9 | Y | N | n/a | N | Y | Y | N | n/a
Colorado | 2007 - 2009 | US8, UC6 | N | N | n/a | N | Y | Y | N | n/a
UM7 | N | N | n/a | N | Y | N | N | n/a
Corvette | 2007 - 2008 | US8, US9, U3U | N | N | N | N | Y | N | N | N
2009 | US8, US9, U3U | N | N | N | N | Y | N | Y | N
CTS | 2008 - 2009 | U2R. U2T | Y | N | n/a | Y | N | Y | N | n/a
U2S, U2X, U2Y, UAV | N | Y | N | N | Y | N | Y | n/a
| 2006 -2007 | US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
DTS | 2008 -2009 | US8, US9 | Y | N | n/a | Y | N | N | Y | n/a
| 2006 - 2009 | U3R | N | Y | n/a | N | Y | N | Y | n/a
Enclave | 2008 | US8, US9, UVA | Y | N | n/a | Y | N | Y | N | n/a
2009 | US8, US9, UVA | Y | N | n/a | N | Y | N | Y | n/a
| 2008 - 2009 | U3R, UZR | N | Y | n/a | N | Y | N | Y | n/a
Envoy | 2007 | UC6, UB0, UB1, US8 | N | N | n/a | N | Y | Y | N | n/a
UM8, UA4 | N | N | n/a | N | Y | N | N | n/a
2008 - 2009 | UC6, UB0, UB1, US8, UM8, UA4 | N | N | n/a | N | Y | N | Y | n/a
Escalade (all) | 2007 2009 | U3R | N | Y | n/a | N | Y | N | Y | n/a
YQ3 | N | Y | n/a | N | Y | N | Y | n/a
Equinox | 2007 - 2009 | U1C | N | Y | n/a | N | Y | N | Y | n/a
2007 | US8, US9 | Y | N | n/a | Y | N | Y | N | n/a
2008 - 2009 | US8, US9 | Y | N | n/a | Y | N | N | Y | n/a
2007 - 2009 | U3U | N | Y | n/a | N | Y | N | Y | n/a
| 2007 - 2009 | UUC | N | Y | n/a | Y | N | N | Y | n/a
G5 | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
US8, US9 | Y | N | n/a | N | Y | Y | N | n/a
G6 | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
UN0, UC6 | N | N | n/a | N | Y | Y | N | n/a
G8 | 2008 | all | N | Y | n/a | N | Y | N | Y | n/a
Grand Prix | 2007 - 2008 | All | N | Y | n/a | N | Y | N | Y | n/a
H2 | 2008 - 2009 | UVB | N | Y | n/a | N | Y | N | Y | n/a
UVA, US9 | Y | N | n/a | Y | N | N | Y | n/a
H3 | 2007 - 2009 | US8, UB0, UC6 | N | N | n/a | N | Y | Y | N | n/a
UM8 | N | N | n/a | N | Y | N | N | n/a
HHR | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
US8, US9 | Y | N | n/a | N | Y | Y | N | n/a
| 2006 - 2009 | U1C | N | Y | n/a | n/a | Y | N | Y | n/a
Impala | 2006, 2008 -2009 | US8,US9 | N | Y | n/a | Y | N | N | Y | n/a
| 2007 | US8,US9 | Y | N | n/a | Y | N | Y | N | n/a
ION | 2007 | U1C | n/a | n/a | n/a | n/a | Y | n/a | n/a | n/a
US8, US9 | n/a | n/a | n/a | n/a | Y | Y | N | n/a
LaCrosse | 2007 - 2008 | All | N | Y | n/a | N | Y | N | Y | n/a
Lucerne | 2006 - 2009 | U1C | N | Y | n/a | n/a | Y | N | Y | n/a
2006 -2007 | US8, US9 | Y | N | n/a | Y | N | Y | N | n/a
2008 - 2009 | US8, US9 | Y | N | n/a | Y | N | N | Y | n/a
| 2006 -2009 | U3U | N | Y | n/a | N | Y | N | Y | n/a
Malibu | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
UN0, UC6 | N | N | n/a | N | Y | Y | N | n/a
Montana | 2007 | US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U | N | Y | n/a | N | Y | N | Y | n/a
| 2006 - 2007 | U1C | N | Y | n/a | n/a | Y | N | Y | n/a
Monte Carlo | 2006 | US8,US9 | N | Y | n/a | Y | N | Y | N | n/a
| 2007 | US8,US9 | Y | N | n/a | Y | N | Y | N | n/a
Outlook | 2007 - 2008 | US8, US9, UVA | Y | N | n/a | Y | N | Y | N | n/a
2009 | US8, US9, UVA | Y | N | n/a | N | Y | N | Y | n/a
| 2007 - 2009 | U3R, UZR | N | Y | n/a | N | Y | N | Y | n/a
Rainier | 2007 | UC6, UB0, UB1, US8 | N | N | n/a | N | Y | Y | N | n/a
UM8, UA4 | N | N | n/a | N | Y | N | N | n/a
RELAY | 2007 | US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U | N | Y | n/a | N | Y | N | Y | n/a
Rendezvous | 2007 | U1P, UC6 | N | N | N | N | Y | Y | N | N
UM8 | N | N | N | N | Y | N | Y | N
Saab 9-7X | 2007 | UC6, UB0, UB1, US8 | N | N | n/a | N | Y | Y | N | n/a
UM8, UA4 | N | N | n/a | N | Y | N | N | n/a
2008 - 2009 | UC6, UB0, UB1, US8, UM8, UA4 | N | N | n/a | N | Y | N | Y | n/a
Sierra LD & HD | 2007 -2009 | UM7, U1C | N | Y | n/a | N | Y | N | Y | n/a
US8, US9, UVA | N | Y | n/a | N | Y | N | Y | n/a
U3U, UVB | N | Y | n/a | N | Y | N | Y | n/a
Silverado LD & HD | 2007 -2009 | UM7, U1C | N | Y | n/a | N | Y | N | Y | n/a
US8, US9, UVA | N | Y | n/a | N | Y | N | Y | n/a
U3U, UVB | N | Y | n/a | N | Y | N | Y | n/a
SKY | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
US8, US9 | N | N | n/a | N | Y | N | N | n/a
Solstice | 2007 - 2009 | U1C | N | N | n/a | N | Y | N | N | n/a
US8, US9 | Y | N | n/a | N | Y | Y | N | n/a
SRX | 2007 - 2008 | U2S, U2R | Y | N | n/a | Y | N | Y | N | n/a
U2V | N | Y | n/a | N | Y | N | Y | n/a
STS | 2006 - 2009 | YQ1, YQ2, YQ4 | N | Y | N | N | Y | N | Y | N
Suburban | 2007 - 2009 | UVA, US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U, UVB | N | Y | n/a | N | Y | N | Y | n/a
Tahoe | 2007 - 2009 | UVA, US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U, UVB | N | Y | n/a | N | Y | N | Y | n/a
Terraza | 2007 | US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U | N | Y | n/a | N | Y | N | Y | n/a
Torrent | 2007 - 2009 | U1C | N | Y | n/a | N | Y | N | Y | n/a
2007 | US8, US9 | Y | N | n/a | Y | N | Y | N | n/a
2008 - 2009 | US8, US9 | Y | N | n/a | Y | N | N | Y | n/a
2007 - 2009 | U3U | N | Y | n/a | N | Y | N | Y | n/a
| 2007 - 2009 | UUC | N | Y | n/a | Y | N | N | Y | n/a
Trailblazer (all) | 2007 | UC6, UB0, UB1, US8 | N | N | n/a | N | Y | Y | N | n/a
UM8, UA4 | N | N | n/a | N | Y | N | N | n/a
2008 - 2009 | UC6, UB0, UB1, US8, UM8, UA4 | N | N | n/a | N | Y | N | Y | n/a
Uplander | 2007 - 2008 | US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U | N | Y | n/a | N | Y | N | Y | n/a
Vue | 2008 - 2009 | U1C | N | Y | n/a | N | Y | N | Y | n/a
US8, US9 | Y | N | n/a | Y | N | N | Y | n/a
U3U | N | Y | n/a | N | Y | N | Y | n/a
UUC | N | Y | n/a | Y | N | N | Y | n/a
XLR | 2007 - 2008 | U2R | N | N | N | N | Y | N | N | N
2009 | U2R | N | N | N | N | Y | N | Y | N
Yukon (all) | 2007 -2009 | UVA, US8, US9 | N | Y | n/a | N | Y | N | Y | n/a
U3U, UVB | N | Y | n/a | N | Y | N | Y | n/a

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.