While parked and with the parking brake set, try to turn the ignition to LOCK/OFFin each shift lever position.
The ignition should turn to LOCK/OFF only when the shift lever is in P-(Park).The ignition key should come out only in LOCK/OFF.Contact your dealer if service is required.
Buying New Tires
GM has developed and matched
specific tires for the vehicle. The
original equipment tires installed
were designed to meet General
Motors Tire Performance Criteria
Specification (TPC Spec)
system rating. When
replacement tires are needed,
GM strongly recommends
buying tires with the same TPC ...