Riviera V6-3.8L SC VIN 1 (1995)
Cellular Phone: Technical Service Bulletins
4. Antenna Tuning
It is important that the antenna be tuned properly and that reflected power be kept to less than 10% (VSWR less than 2:1) at all operating
frequencies.
Important:
High VSWR has been shown to contribute/cause interference problems with vehicle systems.